function demoPopup()
	{   
        if (window.showModalDialog)
        {
		    window.showModalDialog("/site/demo/index.html","ERA Demo"," dialogWidth:515px;dialogHeight:400px;resizable;status:yes"); 
		}
		else
		{
		    window.open("/site/demo/index.html", "ERA Demo", "width=515px,height=400px,resizable,status=yes,modal=yes");
		}
	}