function showHide(srcElement,srcArrow){
	var divs = document.getElementsByTagName('div');
	var imgs = document.getElementsByTagName('img');
       pageTracker._trackEvent('/clean-drinking-water-for-you.html','clickedHealth','Why PUR');
       pageTracker._trackEvent('/clean-drinking-water-for-you.html','clickedCooking','Why PUR');
       pageTracker._trackEvent('/clean-drinking-water-for-you.html','clickedExercise','Why PUR'); 
       pageTracker._trackEvent('/pur-products/','clickedPURWaterFilterTechnology','PUR Water Filter Technology');
       pageTracker._trackEvent('/pur-products/','clickedWhatsInYourDrinkingWater','Whats In Your Driking Water');
	if(document.getElementById(srcElement).style.display == "") {
		document.getElementById(srcElement).style.display = "none";
		document.getElementById(srcElement).style.display = "";
	}else{
		for (var i=0;i<divs.length;i++){ 			
			var divIdVal=divs[i].id;
			if(divIdVal.length>7){
				divIdVal=divIdVal.substring(0,4);
				if(divIdVal=="ques"){
					var imgId="img"+divs[i].id;
					if(divs[i].id != srcElement){
						divs[i].style.display = "none";
						document.getElementById(imgId).src="/images/arrow_acco1.gif";

					}else{
						divs[i].style.display = "";
						document.getElementById(imgId).src="/images/arrow_acco2.gif";
					}
				}
				
			}
		}
	}	
}

function hideallDivs()
{
	/*document.getElementById('question1').style.display = "none"; 
	document.getElementById('question2').style.display = "none";
	document.getElementById('question3').style.display = "none";*/
	
  if(document.getElementById('question4')!= null){
		document.getElementById('question5').style.display = "none";
	}
	if(document.getElementById('question6')!= null){
		document.getElementById('question7').style.display = "none";
	}
}


function show(val)
	{
		if(val=='1')
			{
			document.getElementById('1').className='show';
			document.getElementById('2').className='hide';
			document.getElementById('4').className='hide';
			
			}
			else if(val=='2') {
			document.getElementById('1').className='hide';
			document.getElementById('4').className='hide';		
			document.getElementById('2').className='show';				
			}
		else if(val=='4'){
			document.getElementById('1').className='hide';		
			document.getElementById('2').className='hide';				
			document.getElementById('4').className='show';				
			
			
			}	
			
	else{
		document.getElementById('1').className='hide';		
		document.getElementById('2').className='hide';
		document.getElementById('4').className='hide';
		}
			
	}