function progressBar (id,percent) {
	percent = (100-percent)/100;
	document.getElementById(id).style.backgroundPosition=(-525 * percent)+"px";
}

function addProg(id,section) {
	var secs = $$(section);
	var prog=0;
	for (var s=0; s<secs.length;s++){
		if(secs[s].value!="") {
			prog=eval(secs[s].lang)+eval(prog);
		}
		if(prog>100){prog=100;}
		progressBar (id,prog);		
	}
}