function showPopUp(el, title, mesg) {
	var cvr = document.getElementById("cover");
	var dlg = document.getElementById(el);
	cvr.style.display = "block";
	dlg.style.display = "block";
	document.getElementById('dialogTitle').innerHTML = title;
	document.getElementById('dialogTextArea').innerHTML = mesg;
	if (document.body.style.overflow = "hidden") {
		cvr.style.width = "100%";
		cvr.style.height = "100%";
	}
}
function closePopUp(el, el_c) {
	var cvr = document.getElementById(el_c);
	var dlg = document.getElementById(el);
	cvr.style.display = "none";
	dlg.style.display = "none";
	document.body.style.overflowY = "scroll";
}