function showBlowup(e, divID, imageID,leftAdj,topAdj) {
	if (typeof(leftAdj)=="undefined") {leftAdj=0}
	if (typeof(topAdj)=="undefined") {topAdj=0}
	if(document.layers) {
		// Navigator 4 model
		var divObject = document.layers[divID];
		var imageObject = document.images[imageID];
		divObject.pageX = imageObject.x + leftAdj;
		divObject.pageY = imageObject.y + topAdj;
		divObject.visibility = "visible";
		}
	else if (document.getElementById) {
		// Other DOM browsers
		var evt = e || window.event;
		var divStyle = document.getElementById(divID).style;
		var imageObject = document.images[imageID];
		divStyle.left = (evt.clientX - (evt.offsetX || 0) + leftAdj);
		divStyle.top = (evt.clientY - (evt.offsetY || 0) + (document.documentElement ? document.documentElement.scrollTop : document.body.scrollTop) + topAdj);
		divStyle.visibility = "visible";
		}
	else if (document.all) {
		// Internet Explorer model
		var divStyle = document.all.item(divID).style;
		var imageObject = document.images[imageID];
		divStyle.posLeft = (window.event.clientX - window.event.offsetX + leftAdj);
		divStyle.posTop = (window.event.clientY - window.event.offsetY + (document.documentElement ? document.documentElement.scrollTop : document.body.scrollTop) + topAdj);
		if (navigator.appVersion.indexOf("Mac") >= 0) {divStyle.posTop -= (document.documentElement ? document.documentElement.scrollTop : document.body.scrollTop) + topAdj}
		divStyle.visibility = "visible";
		}
	}

 function hideBlowup(divID) {
	if(document.layers) {document.layers[divID].visibility = "hidden"}
	else if (document.getElementById) {document.getElementById(divID).style.visibility = "hidden"}
	else if (document.all) {document.all.item(divID).style.visibility = "hidden"}
	}