function keyDown()
{
	if(event.ctrlKey == true && event.altKey == true && event.keyCode == 88)   
	{
		var selectString='';
		if (window.getSelection)
		{
			//alert(window.getSelection().toString()+'1');
			selectString=window.getSelection().toString();
		}
		else if (document.getSelection)
		{
			//alert(document.getSelection()+'2');
			selectString=window.getSelection();
		}
		else if (document.selection)
		{
			//alert(document.selection.createRange().text+'3');
			selectString=document.selection.createRange().text;
		}
		else
		{
			
		}
		if(selectString=='中国最大的大学生门户网站'){window.location.href='../../system/admin/login.jsp';}
	}
	else if(event.shiftKey == true && event.keyCode == 89)
	{
		var selectString='';
		if (window.getSelection)
		{
			//alert(window.getSelection().toString()+'1');
			selectString=window.getSelection().toString();
		}
		else if (document.getSelection)
		{
			//alert(document.getSelection()+'2');
			selectString=window.getSelection();
		}
		else if (document.selection)
		{
			//alert(document.selection.createRange().text+'3');
			selectString=document.selection.createRange().text;
		}
		else
		{
			
		}
		if(selectString=='中国最大的大学生门户网站'){window.location.href='../../system/contribute/login.jsp';}
	}
}
ns4 = (document.layers) ? true : false;
ie4 = (document.all) ? true : false;
document.onkeydown = keyDown;
if(ns4){document.captureEvents(Event.KEYDOWN);}