function e(id)
{
	return document.getElementById(id)?document.getElementById(id):false;
} 



  
function onRollOver(img_obj){
	img_obj.src = img_obj.src.split("-off").join("-on");
}

function onRollOut(img_obj){
	img_obj.src = img_obj.src.split("-on").join("-off");	
}  






function setAlpha(obj_ref, percentage) {
		if (obj_ref.filters && obj_ref.filters[0]) {
			if (typeof obj_ref.filters[0].opacity == "number") { //if IE6+
				obj_ref.filters[0].opacity = percentage;
			} else { //else if IE5.5-
				obj_ref.style.filter = "progid:DXImageTransform.Microsoft.Alpha(opacity="+percentage+")";
			}
		} else if (obj_ref.style.MozOpacity) {
			obj_ref.style.MozOpacity = percentage / 101;
		} else if (obj_ref.style.KhtmlOpacity) {
			obj_ref.style.KhtmlOpacity = percentage / 100;
		}
	}
	
// <div style="zoom: 1; margin-top: 0px; filter:progid:DXImageTransform.Microsoft.Alpha(opacity=100);-moz-opacity:100;-khtml-opacity:100;"  >