// JavaScript Document

function hideDiv(divname) {
	document.getElementById(divname).style.visibility = "hidden";
}

function showDiv(divname) {
	document.getElementById(divname).style.visibility = "visible";
}

function showVideoDiv(contentpage, divname, left, top) {
	ajaxpage(contentpage,divname);
	showDiv(divname);
	document.getElementById(divname).style.left = left + "px";
	document.getElementById(divname).style.top = top + "px";
}

function hideVideoDiv(divname) {
	document.getElementById(divname).innerHTML = "";
	hideDiv(divname);
}

function changeBorderStyle(divname,style) {
	document.getElementById(divname).style.borderStyle = style;
}

function goToPage(page) {
	document.location.href = page;
}
function clearDefault(el) {
  if (el.defaultValue==el.value) el.value = ""
}