function trimStr(str)
{
	return str.replace( /^\s+|\s+$/g, "" );
}
function $(id)
{
	return document.getElementById(id);
}
function addLoadEvent(func)
{
	var oldonload = window.onload;
	if (typeof window.onload != 'function')
	{
		window.onload = func;
	} else {
		window.onload =
			function()
			{
				if (oldonload) {
					oldonload();
				}
				func();
			}
	}
}
function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}
function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}
function queryString( key )
{
    var re = new RegExp( "[?&]" + key + "=([^&$]*)", "i" );
    var offset = location.search.search( re );
    if ( offset == -1 ) return null;
    return RegExp.$1;
}
function updateLang(ln)
{
    if (ln == null)
        ln = "tr";
    createCookie("ln", ln, 30);
}
function o(u,n,f) 
{ 
	window.open(u,n,f + ',resizable=no,scrollbars=yes,status=yes');
}