var selectedElement;
// On the click of 'Fast Navigation' button
		function fastNavigation () {
			selectedElement = 'navigationButton';
			document.getElementById('navigationText').style.display='block';
			document.getElementById('phishingText').style.display='none';
			document.getElementById('malwareText').style.display='none';
			document.getElementById('downloadText').style.display='none';	
			document.getElementById('videoAndText').style.display='block';	
			clicked('navigationButton');
			unClicked('phishingButton');
			unClicked('malwareButton');			
			unClicked('freeDownloadButton');
		}
		
		// On the click of 'Anti Phishing' button
		function antiPhishing () {
			selectedElement = 'phishingButton';
			document.getElementById('phishingText').style.display='block';
			document.getElementById('navigationText').style.display='none';
			document.getElementById('malwareText').style.display='none';
			document.getElementById('downloadText').style.display='none';	
			document.getElementById('videoAndText').style.display='block';	
			clicked('phishingButton');
			unClicked('navigationButton');
			unClicked('malwareButton');			
			unClicked('freeDownloadButton');		
		}
		
		// On the click of 'Malware Protection' button
		function malwareProtection () {
			selectedElement = 'malwareButton';
			document.getElementById('malwareText').style.display='block';
			document.getElementById('phishingText').style.display='none';
			document.getElementById('navigationText').style.display='none';
			document.getElementById('downloadText').style.display='none';	
			document.getElementById('videoAndText').style.display='block';	
			clicked('malwareButton');
			unClicked('phishingButton');
			unClicked('navigationButton');			
			unClicked('freeDownloadButton');		
		}
		
		// On the click of 'Free Download' button
		function freeDownload () {
			selectedElement = 'freeDownloadButton';
			document.getElementById('downloadText').style.display='block';
			document.getElementById('videoAndText').style.display='none';
			clicked('freeDownloadButton');
			unClicked('navigationButton');
			unClicked('phishingButton');
			unClicked('malwareButton');
		}
		
		// To hold the clicked state of a button
		function clicked(divElement) { 
		try{
			document.getElementById(divElement).style.backgroundPosition="0px 0px";	
			document.getElementById(divElement).style.fontWeight="bold";
			document.getElementById(divElement).style.color="white";
		} catch(e) {}
		}
		
		//To release the clicked button
		function unClicked(divElement) { 
		try{	
			document.getElementById(divElement).style.backgroundPosition="0px -73px";
			document.getElementById(divElement).style.fontWeight="normal";
			document.getElementById(divElement).style.color="#414042";
		} catch(e) {}
		}

		function unhighlight(selectedButton) {	
			if(selectedButton != selectedElement) {
				document.getElementById(selectedButton).style.backgroundPosition="0px -73px";
			}else{
				document.getElementById(selectedButton).style.color="white";
			}
		}

		function onMouseOver(button){
			//button.style.color="white";
			button.style.backgroundPosition='0px 0px';
		}
		function onMouseOut(button){
			//button.style.color="#414042";
		}