var datevalue = "";
var elements = document.getElementsByTagName("*");

for(var i=0; i <elements.length; i++)
{
	 
	 
	 if(elements[i].className=="dateformat")
	 {
		var b = elements[i].innerHTML; 
		for(var j=0; j< b.length; j++){
		   
		   if((b.charAt(j)) == "-"){
			 datevalue = datevalue + "/";   
		   }else{
			 datevalue = datevalue + b.charAt(j); 
		   }
		
		}
		elements[i].innerHTML = datevalue;
		datevalue = "";
	}
	
}