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

function admin()
{
	var path = window.location.pathname;
	var loginUrl = "/_layouts/nglogin.aspx?ReturnUrl=" + path;
	window.location = loginUrl;				
}
			
			
function DecreaseText()
{
	var mainContent = ngE("MainContentArea");
	var css = mainContent.className;
	var size = css.replace("MainContentArea", "");

	size = parseInt(size);
	
	size = size - 1;
	if(size < 8)
		size = 8;
		
	var cssClassName = "MainContentArea" + size
		
	mainContent.className = cssClassName;//"MainContentArea" + size;
	
	setCookie("MainContentAreaSize", size, 30);			
}
			
function IncreaseText()
{
	var mainContent = ngE("MainContentArea");
	var css = mainContent.className;
	var size = css.replace("MainContentArea", "");

	size = parseInt(size);
	
	size = size + 1;

	if(size > 14)
		size = 14;
		
	var cssClassName = "MainContentArea" + size
		
	mainContent.className = cssClassName;//"MainContentArea" + size;
	
	setCookie("MainContentAreaSize", size, 30);

}
			
function setCookie(c_name,value,expiredays)
{
	var exdate=new Date();
	exdate.setDate(exdate.getDate()+expiredays);
	var cookieVal = c_name+ "=" + escape(value) + ((expiredays==null) ? "" : ";expires="+exdate.toGMTString()) + ";path=/";
	//alert(cookieVal);
	document.cookie = cookieVal;//c_name+ "=" + escape(value) + ((expiredays==null) ? "" : ";expires="+exdate.toGMTString()) + ";path=/";
}

function getCookie(c_name)
{
	if (document.cookie.length>0)
	{
		c_start=document.cookie.indexOf(c_name + "=");
		if (c_start!=-1)
		{ 
			c_start=c_start + c_name.length+1; 
			c_end=document.cookie.indexOf(";",c_start);
			if (c_end==-1)
				c_end=document.cookie.length;
			return unescape(document.cookie.substring(c_start,c_end));
		} 
	}
	return "";
}

function setTextSize()
{
	var mainContent = ngE("MainContentArea");
	//var cssClassName = getCookie("MainContentAreaSize");
	//alert(cssClassName);
	var size = getCookie("MainContentAreaSize");
	if(size == "")
		size = 10;
	mainContent.className = "MainContentArea" + size;
}

function removeLastNavSeparator()
{
	var navElement = ngE("zz1_GlobalNav");
	document.getElementsByTagName("TD");
	var TDs = navElement.getElementsByTagName("TD");
	var lastTDindex = TDs.length - 1;
	TDs[lastTDindex].style.display = "none";
}

function PrintThisPage()
{
	window.open("/_layouts/ng.ben/pages/print.aspx", "NGPrint", "height=660,width=560,status=no,toolbar=no,menubar=no,location=no,scrollbars=yes");
}