document.getElementsByClassName = function(cl) {
	var retnode = [];
	var myclass = new RegExp('\\b'+cl+'\\b');
	var elem = this.getElementsByTagName('*');
	for (var i = 0; i < elem.length; i++) {
		var classes = elem[i].className;
		if (myclass.test(classes)) retnode.push(elem[i]);
		}
	return retnode;
};

function Industrial() {
	var indArray = document.getElementsByClassName('cat-industrial');
	var consArray = document.getElementsByClassName('cat-consumer');
	var eduArray = document.getElementsByClassName('cat-education');
	var techArray = document.getElementsByClassName('cat-technology');
	var healthArray = document.getElementsByClassName('cat-healthcare');
	var energyArray = document.getElementsByClassName('cat-energy');
	var finArray = document.getElementsByClassName('cat-financial');
	var mediaArray = document.getElementsByClassName('cat-media');
	var retArray = document.getElementsByClassName('cat-retail');
	var chemArray = document.getElementsByClassName('cat-chemicals');
	var hotArray = document.getElementsByClassName('cat-hotels');

	for (var i = 0; i < indArray.length; i++) {
		indArray[i].style.display = 'block'; 
	}
	for (var i = 0; i < consArray.length; i++) {
		consArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < eduArray.length; i++) {
		eduArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < techArray.length; i++) {
		techArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < healthArray.length; i++) {
		healthArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < energyArray.length; i++) {
		energyArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < finArray.length; i++) {
		finArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < mediaArray.length; i++) {
		mediaArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < retArray.length; i++) {
		retArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < chemArray.length; i++) {
		chemArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < hotArray.length; i++) {
		hotArray[i].style.display = 'none'; 
	}
}

function Consumer() {
	var indArray = document.getElementsByClassName('cat-industrial');
	var consArray = document.getElementsByClassName('cat-consumer');
	var eduArray = document.getElementsByClassName('cat-education');
	var techArray = document.getElementsByClassName('cat-technology');
	var healthArray = document.getElementsByClassName('cat-healthcare');
	var energyArray = document.getElementsByClassName('cat-energy');
	var finArray = document.getElementsByClassName('cat-financial');
	var mediaArray = document.getElementsByClassName('cat-media');
	var retArray = document.getElementsByClassName('cat-retail');
	var chemArray = document.getElementsByClassName('cat-chemicals');
	var hotArray = document.getElementsByClassName('cat-hotels');

	for (var i = 0; i < indArray.length; i++) {
		indArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < consArray.length; i++) {
		consArray[i].style.display = 'block'; 
	}
	for (var i = 0; i < eduArray.length; i++) {
		eduArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < techArray.length; i++) {
		techArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < healthArray.length; i++) {
		healthArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < energyArray.length; i++) {
		energyArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < finArray.length; i++) {
		finArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < mediaArray.length; i++) {
		mediaArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < retArray.length; i++) {
		retArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < chemArray.length; i++) {
		chemArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < hotArray.length; i++) {
		hotArray[i].style.display = 'none'; 
	}
}

function Education() {
	var indArray = document.getElementsByClassName('cat-industrial');
	var consArray = document.getElementsByClassName('cat-consumer');
	var eduArray = document.getElementsByClassName('cat-education');
	var techArray = document.getElementsByClassName('cat-technology');
	var healthArray = document.getElementsByClassName('cat-healthcare');
	var energyArray = document.getElementsByClassName('cat-energy');
	var finArray = document.getElementsByClassName('cat-financial');
	var mediaArray = document.getElementsByClassName('cat-media');
	var retArray = document.getElementsByClassName('cat-retail');
	var chemArray = document.getElementsByClassName('cat-chemicals');
	var hotArray = document.getElementsByClassName('cat-hotels');

	for (var i = 0; i < indArray.length; i++) {
		indArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < consArray.length; i++) {
		consArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < eduArray.length; i++) {
		eduArray[i].style.display = 'block'; 
	}
	for (var i = 0; i < techArray.length; i++) {
		techArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < healthArray.length; i++) {
		healthArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < energyArray.length; i++) {
		energyArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < finArray.length; i++) {
		finArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < mediaArray.length; i++) {
		mediaArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < retArray.length; i++) {
		retArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < chemArray.length; i++) {
		chemArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < hotArray.length; i++) {
		hotArray[i].style.display = 'none'; 
	}
}

function Hotel() {
	var indArray = document.getElementsByClassName('cat-industrial');
	var consArray = document.getElementsByClassName('cat-consumer');
	var eduArray = document.getElementsByClassName('cat-education');
	var techArray = document.getElementsByClassName('cat-technology');
	var healthArray = document.getElementsByClassName('cat-healthcare');
	var energyArray = document.getElementsByClassName('cat-energy');
	var finArray = document.getElementsByClassName('cat-financial');
	var mediaArray = document.getElementsByClassName('cat-media');
	var retArray = document.getElementsByClassName('cat-retail');
	var chemArray = document.getElementsByClassName('cat-chemicals');
	var hotArray = document.getElementsByClassName('cat-hotels');

	for (var i = 0; i < indArray.length; i++) {
		indArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < consArray.length; i++) {
		consArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < eduArray.length; i++) {
		eduArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < techArray.length; i++) {
		techArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < healthArray.length; i++) {
		healthArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < energyArray.length; i++) {
		energyArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < finArray.length; i++) {
		finArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < mediaArray.length; i++) {
		mediaArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < retArray.length; i++) {
		retArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < chemArray.length; i++) {
		chemArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < hotArray.length; i++) {
		hotArray[i].style.display = 'block'; 
	}
}

function Media() {
	var indArray = document.getElementsByClassName('cat-industrial');
	var consArray = document.getElementsByClassName('cat-consumer');
	var eduArray = document.getElementsByClassName('cat-education');
	var techArray = document.getElementsByClassName('cat-technology');
	var healthArray = document.getElementsByClassName('cat-healthcare');
	var energyArray = document.getElementsByClassName('cat-energy');
	var finArray = document.getElementsByClassName('cat-financial');
	var mediaArray = document.getElementsByClassName('cat-media');
	var retArray = document.getElementsByClassName('cat-retail');
	var chemArray = document.getElementsByClassName('cat-chemicals');
	var hotArray = document.getElementsByClassName('cat-hotels');

	for (var i = 0; i < indArray.length; i++) {
		indArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < consArray.length; i++) {
		consArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < eduArray.length; i++) {
		eduArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < techArray.length; i++) {
		techArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < healthArray.length; i++) {
		healthArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < energyArray.length; i++) {
		energyArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < finArray.length; i++) {
		finArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < mediaArray.length; i++) {
		mediaArray[i].style.display = 'block'; 
	}
	for (var i = 0; i < retArray.length; i++) {
		retArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < chemArray.length; i++) {
		chemArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < hotArray.length; i++) {
		hotArray[i].style.display = 'none'; 
	}
}

function Chemicals() {
	var indArray = document.getElementsByClassName('cat-industrial');
	var consArray = document.getElementsByClassName('cat-consumer');
	var eduArray = document.getElementsByClassName('cat-education');
	var techArray = document.getElementsByClassName('cat-technology');
	var healthArray = document.getElementsByClassName('cat-healthcare');
	var energyArray = document.getElementsByClassName('cat-energy');
	var finArray = document.getElementsByClassName('cat-financial');
	var mediaArray = document.getElementsByClassName('cat-media');
	var retArray = document.getElementsByClassName('cat-retail');
	var chemArray = document.getElementsByClassName('cat-chemicals');
	var hotArray = document.getElementsByClassName('cat-hotels');

	for (var i = 0; i < indArray.length; i++) {
		indArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < consArray.length; i++) {
		consArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < eduArray.length; i++) {
		eduArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < techArray.length; i++) {
		techArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < healthArray.length; i++) {
		healthArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < energyArray.length; i++) {
		energyArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < finArray.length; i++) {
		finArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < mediaArray.length; i++) {
		mediaArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < retArray.length; i++) {
		retArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < chemArray.length; i++) {
		chemArray[i].style.display = 'block'; 
	}
	for (var i = 0; i < hotArray.length; i++) {
		hotArray[i].style.display = 'none'; 
	}
}

function Financial() {
	var indArray = document.getElementsByClassName('cat-industrial');
	var consArray = document.getElementsByClassName('cat-consumer');
	var eduArray = document.getElementsByClassName('cat-education');
	var techArray = document.getElementsByClassName('cat-technology');
	var healthArray = document.getElementsByClassName('cat-healthcare');
	var energyArray = document.getElementsByClassName('cat-energy');
	var finArray = document.getElementsByClassName('cat-financial');
	var mediaArray = document.getElementsByClassName('cat-media');
	var retArray = document.getElementsByClassName('cat-retail');
	var chemArray = document.getElementsByClassName('cat-chemicals');
	var hotArray = document.getElementsByClassName('cat-hotels');

	for (var i = 0; i < indArray.length; i++) {
		indArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < consArray.length; i++) {
		consArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < eduArray.length; i++) {
		eduArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < techArray.length; i++) {
		techArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < healthArray.length; i++) {
		healthArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < energyArray.length; i++) {
		energyArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < finArray.length; i++) {
		finArray[i].style.display = 'block'; 
	}
	for (var i = 0; i < mediaArray.length; i++) {
		mediaArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < retArray.length; i++) {
		retArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < chemArray.length; i++) {
		chemArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < hotArray.length; i++) {
		hotArray[i].style.display = 'none'; 
	}
}

function Health() {
	var indArray = document.getElementsByClassName('cat-industrial');
	var consArray = document.getElementsByClassName('cat-consumer');
	var eduArray = document.getElementsByClassName('cat-education');
	var techArray = document.getElementsByClassName('cat-technology');
	var healthArray = document.getElementsByClassName('cat-healthcare');
	var energyArray = document.getElementsByClassName('cat-energy');
	var finArray = document.getElementsByClassName('cat-financial');
	var mediaArray = document.getElementsByClassName('cat-media');
	var retArray = document.getElementsByClassName('cat-retail');
	var chemArray = document.getElementsByClassName('cat-chemicals');
	var hotArray = document.getElementsByClassName('cat-hotels');

	for (var i = 0; i < indArray.length; i++) {
		indArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < consArray.length; i++) {
		consArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < eduArray.length; i++) {
		eduArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < techArray.length; i++) {
		techArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < healthArray.length; i++) {
		healthArray[i].style.display = 'block'; 
	}
	for (var i = 0; i < energyArray.length; i++) {
		energyArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < finArray.length; i++) {
		finArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < mediaArray.length; i++) {
		mediaArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < retArray.length; i++) {
		retArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < chemArray.length; i++) {
		chemArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < hotArray.length; i++) {
		hotArray[i].style.display = 'none'; 
	}
}

function Retail() {
	var indArray = document.getElementsByClassName('cat-industrial');
	var consArray = document.getElementsByClassName('cat-consumer');
	var eduArray = document.getElementsByClassName('cat-education');
	var techArray = document.getElementsByClassName('cat-technology');
	var healthArray = document.getElementsByClassName('cat-healthcare');
	var energyArray = document.getElementsByClassName('cat-energy');
	var finArray = document.getElementsByClassName('cat-financial');
	var mediaArray = document.getElementsByClassName('cat-media');
	var retArray = document.getElementsByClassName('cat-retail');
	var chemArray = document.getElementsByClassName('cat-chemicals');
	var hotArray = document.getElementsByClassName('cat-hotels');

	for (var i = 0; i < indArray.length; i++) {
		indArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < consArray.length; i++) {
		consArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < eduArray.length; i++) {
		eduArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < techArray.length; i++) {
		techArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < healthArray.length; i++) {
		healthArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < energyArray.length; i++) {
		energyArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < finArray.length; i++) {
		finArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < mediaArray.length; i++) {
		mediaArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < retArray.length; i++) {
		retArray[i].style.display = 'block'; 
	}
	for (var i = 0; i < chemArray.length; i++) {
		chemArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < hotArray.length; i++) {
		hotArray[i].style.display = 'none'; 
	}
}

function Energy() {
	var indArray = document.getElementsByClassName('cat-industrial');
	var consArray = document.getElementsByClassName('cat-consumer');
	var eduArray = document.getElementsByClassName('cat-education');
	var techArray = document.getElementsByClassName('cat-technology');
	var healthArray = document.getElementsByClassName('cat-healthcare');
	var energyArray = document.getElementsByClassName('cat-energy');
	var finArray = document.getElementsByClassName('cat-financial');
	var mediaArray = document.getElementsByClassName('cat-media');
	var retArray = document.getElementsByClassName('cat-retail');
	var chemArray = document.getElementsByClassName('cat-chemicals');
	var hotArray = document.getElementsByClassName('cat-hotels');

	for (var i = 0; i < indArray.length; i++) {
		indArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < consArray.length; i++) {
		consArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < eduArray.length; i++) {
		eduArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < techArray.length; i++) {
		techArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < healthArray.length; i++) {
		healthArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < energyArray.length; i++) {
		energyArray[i].style.display = 'block'; 
	}
	for (var i = 0; i < finArray.length; i++) {
		finArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < mediaArray.length; i++) {
		mediaArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < retArray.length; i++) {
		retArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < chemArray.length; i++) {
		chemArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < hotArray.length; i++) {
		hotArray[i].style.display = 'none'; 
	}
}

function Technology() {
	var indArray = document.getElementsByClassName('cat-industrial');
	var consArray = document.getElementsByClassName('cat-consumer');
	var eduArray = document.getElementsByClassName('cat-education');
	var techArray = document.getElementsByClassName('cat-technology');
	var healthArray = document.getElementsByClassName('cat-healthcare');
	var energyArray = document.getElementsByClassName('cat-energy');
	var finArray = document.getElementsByClassName('cat-financial');
	var mediaArray = document.getElementsByClassName('cat-media');
	var retArray = document.getElementsByClassName('cat-retail');
	var chemArray = document.getElementsByClassName('cat-chemicals');
	var hotArray = document.getElementsByClassName('cat-hotels');

	for (var i = 0; i < indArray.length; i++) {
		indArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < consArray.length; i++) {
		consArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < eduArray.length; i++) {
		eduArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < techArray.length; i++) {
		techArray[i].style.display = 'block'; 
	}
	for (var i = 0; i < healthArray.length; i++) {
		healthArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < energyArray.length; i++) {
		energyArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < finArray.length; i++) {
		finArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < mediaArray.length; i++) {
		mediaArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < retArray.length; i++) {
		retArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < chemArray.length; i++) {
		chemArray[i].style.display = 'none'; 
	}
	for (var i = 0; i < hotArray.length; i++) {
		hotArray[i].style.display = 'none'; 
	}
}

function ShowAll() {
	var indArray = document.getElementsByClassName('cat-industrial');
	var consArray = document.getElementsByClassName('cat-consumer');
	var eduArray = document.getElementsByClassName('cat-education');
	var techArray = document.getElementsByClassName('cat-technology');
	var healthArray = document.getElementsByClassName('cat-healthcare');
	var energyArray = document.getElementsByClassName('cat-energy');
	var finArray = document.getElementsByClassName('cat-financial');
	var mediaArray = document.getElementsByClassName('cat-media');
	var retArray = document.getElementsByClassName('cat-retail');
	var chemArray = document.getElementsByClassName('cat-chemicals');
	var hotArray = document.getElementsByClassName('cat-hotels');

	for (var i = 0; i < indArray.length; i++) {
		indArray[i].style.display = 'block'; 
	}
	for (var i = 0; i < consArray.length; i++) {
		consArray[i].style.display = 'block'; 
	}
	for (var i = 0; i < eduArray.length; i++) {
		eduArray[i].style.display = 'block'; 
	}
	for (var i = 0; i < techArray.length; i++) {
		techArray[i].style.display = 'block'; 
	}
	for (var i = 0; i < healthArray.length; i++) {
		healthArray[i].style.display = 'block'; 
	}
	for (var i = 0; i < energyArray.length; i++) {
		energyArray[i].style.display = 'block'; 
	}
	for (var i = 0; i < finArray.length; i++) {
		finArray[i].style.display = 'block'; 
	}
	for (var i = 0; i < mediaArray.length; i++) {
		mediaArray[i].style.display = 'block'; 
	}
	for (var i = 0; i < retArray.length; i++) {
		retArray[i].style.display = 'block'; 
	}
	for (var i = 0; i < chemArray.length; i++) {
		chemArray[i].style.display = 'block'; 
	}
	for (var i = 0; i < hotArray.length; i++) {
		hotArray[i].style.display = 'block'; 
	}
}