function imageOver(obj){
     var srcName = obj.src;
     obj.src = srcName.replace("-off.","-on.");
}
function imageOut(obj){
     var srcName = obj.src;
     obj.src = srcName.replace("-on.","-off.");
}

function PopupPic(sPicURL) {
     window.open( "popup.htm?"+sPicURL, "",  
     "resizable=1,HEIGHT=200,WIDTH=200");
   }
function popCentered(url,widthVar,heightVar,scrollbars, windowName){
	//scrollbars param accepts 'yes' or 'no'
	var Xpos= (screen.availWidth - widthVar)/2;
	//var Ypos= (screen.availHeight - heightVar)/2;
	var Ypos= 0;
	var heightVar =(screen.availHeight-50);
	var str="toolbar=no,location=no,scrollbars=" + scrollbars + ",directories=no,status=no,menubar=no,resizable=no,copyhistory=no,left=" + Xpos + ",screenX=" + Xpos + ",top=" + Ypos + ",screenY=" + Ypos + ",width="+widthVar+",innerWidth="+widthVar+",height="+heightVar+",innerHeight="+heightVar;
	windowName = windowName == null ? "newWin" : windowName;
	window.open(url,windowName,str);
}
function hideMedia(obj){
	document.getElementById(obj).style.display = 'none';	
}
function showMedia(obj){
	document.getElementById(obj).style.display = 'block';	
}

function showRatingStars(starCount) {
	for (var i=1; i<=5; i++) {
		if (i<=starCount) {
			document.write('<img src="../images/star-on.png" />');
		}
		else {
			document.write('<img src="../images/star-off.png" />');
		}
	}
}