function switchElement(id) {
	if(id==''){
		//do nothing
	}
	else{
		switchChildrenOff();
		var el = document.getElementById(id);
		if (el == null){
			//do nothing
		}
		else{
			if ( el.style.display != 'none' ) {
				el.style.display = 'none';
			}
			else {
				el.style.display = 'inline';
			}
		}
	}
}
function makeQuickTip(url) {
	var newQuickTip = window.open(url,'quicktip',
'left=20,top=20,width=300,height=500,toolbar=0,resizable=1,scrollbars=yes');
	newQuickTip.focus();
}
function makeLgQuickTip(url) {
	var newQuickTip = window.open(url,'videoquicktip',
'left=20,top=20,width=674,height=664,toolbar=0,resizable=1,scrollbars=no');
	newQuickTip.focus();
}
function makeLgQuickTip2(url) {
	var newQuickTip = window.open(url,'videoquicktip',
'left=20,top=20,width=674,height=664,toolbar=0,resizable=1,scrollbars=yes');
	newQuickTip.focus();
}
function switchChildrenOff() {
	var switchables = getElementsByClassName(document, "div", "switch");
	var len = switchables.length - 1;
	for(i=0; i<=len; i++) {
		switchables[i].style.display = 'none';
	}
}
/*
	Written by Jonathan Snook, http://www.snook.ca/jonathan
	Add-ons by Robert Nyman, http://www.robertnyman.com
*/
function getElementsByClassName(oElm, strTagName, strClassName){
	var arrElements = (strTagName == "*" && oElm.all)? oElm.all : oElm.getElementsByTagName(strTagName);
	var arrReturnElements = new Array();
	strClassName = strClassName.replace(/\-/g, "\\-");
	var oRegExp = new RegExp("(^|\\s)" + strClassName + "(\\s|$)");
	var oElement;
	for(var i=0; i<arrElements.length; i++){
		oElement = arrElements[i];
		if(oRegExp.test(oElement.className)){
			arrReturnElements.push(oElement);
		}
	}
	return (arrReturnElements)
}
function getUrlParam(name)
{
  name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
  var regexS = "[\\?&]"+name+"=([^&#]*)";
  var regex = new RegExp( regexS );
  var results = regex.exec( window.location.href );
  if( results == null )
    return "";
  else
    return results[1];
}