function goback() {
history.back()
}

function drawAlert() {
alert ("Sorry, this link is unavailabe at present!");
}

if (document.images) {

// Preload Rollover "on" images
	img1on=new Image();
	img1on.src="images_gen/decrease_width_on.gif";
	img2on=new Image();
	img2on.src="images_gen/increase_width_on.gif";
	
// Preload Rollover "off" images
	img1off=new Image();
	img1off.src="images_gen/decrease_width_off.gif";
	img2off=new Image();
	img2off.src="images_gen/increase_width_off.gif";}

// Activating the menu rollovers

function imgAct(imgName) {
	if (document.images) {
document[imgName].src=eval(imgName+"on.src");
	}
}

// Deactivating the menu rollovers

function imgInact(imgName) {
	if (document.images) {
document[imgName].src=eval(imgName+"off.src");
	}
}

function OverviewPopUp(url, win)
	{
	msgWindow=window.open(url,win,"toolbar=no,top=10,left=10,width=710,height=430,directories=no,status=no,resize=no,scrollbars=no,menubar=no")
	}