// Common JScript For University Of Tehran News And Events Source Code
// Developed by:   Elham Esmaieli
// Date:           2 November 2008

function $(id)
{
    return document.getElementById(id);
}

	function $$(item, tagName)
	{
	    if (typeof(item) == "string")
	    {
	        if ($(item) != null)
	            return $(item).getElementsByTagName(tagName);
	        else
	            return null;
	    }else{
	        if (item.getElementsByTagName != null)
	        {
	            return item.getElementsByTagName(tagName);
	        }else{
	           return null; 
	        }
	    }
	}
	
// parameters

/* -------Go to specific link------------  */
function goToURL(url){
    window.location.href = url;
}

/* -------Change image SRC------------  */
function changeImage(imgId, imgSrc){
    document.getElementById(imgId).src = imgSrc;
}


// --------------------selected and usselected item in home page---------------
function MenuOver(item)
{
	if (item.className != "ServerselectedTab") item.className = "selectedTab";
}
function MenuOut(item)
{
	if (item.className != "ServerselectedTab") item.className = "unselectedTab";
}