function calculate(ry,rn) 
{
	var y = ry;
	var n = rn;
	var total=y+n;
	var ypercentage = Math.round((y/total)*100);
	var npercentage = Math.round((n/total)*100);
	
	var yesDivWidth = document.getElementById("yes");
	var noDivWidth = document.getElementById("no");
	var er = document.getElementById("yesper");
	var er2 = document.getElementById("noper");
	
	yesDivWidth.style.width = ypercentage+"%";
	noDivWidth.style.width = npercentage+"%";
	
	er.innerHTML = ypercentage+"%";
	er2.innerHTML = npercentage+"%";
	
	return (true);
}