function gblOpenPopUp(URL,width,height, scroll) {
	var winX = (screen.width - width) / 2;
	var winY = (screen.height - height) / 2;

	var day = new Date();
	var id = day.getTime();
	eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars="+scroll+",location=0,statusbar=0,menubar=0,resizable=1,width='+width+',height='+height+',left ='+winX+',top ='+winY);");
}

function gblSwapImg(elementID,imgToSwap){
	document.getElementById(elementID).firstChild.src = imgToSwap;
}
	
function gblRestoreImg(elementID){
	elementID.src = document.origImg;
}		


function changeImage(target, imgPath) {
	document.getElementById(target).src = imgPath;
}