function document.onkeydown()
{
	if ((window.event.ctrlKey)&&(window.event.keyCode==49))
	{
		event.returnValue=false; 
		window.open('http://www.163.com');
	}
        if ((window.event.ctrlKey)&&(window.event.keyCode==50))
	{
		event.returnValue=false; 
		window.open('http://www.21cn.com');
	}        
        if ((window.event.ctrlKey)&&(window.event.keyCode==51))
	{
		event.returnValue=false; 
		window.open('http://www.39.net');
	}        
        if ((window.event.ctrlKey)&&(window.event.keyCode==52))
	{
		event.returnValue=false; 
		window.open('http://www.4399.com');
	}        
        if ((window.event.ctrlKey)&&(window.event.keyCode==53))
	{
		event.returnValue=false; 
		window.open('http://www.51.com');
	}
        if ((window.event.ctrlKey)&&(window.event.keyCode==54))
	{
		event.returnValue=false; 
		window.open('http://www.6.cn');
	}
        if ((window.event.ctrlKey)&&(window.event.keyCode==55))
	{
		event.returnValue=false; 
		window.open('http://www.7k7k.com');
	}
        if ((window.event.ctrlKey)&&(window.event.keyCode==56))
	{
		event.returnValue=false; 
		window.open('http://www.8080.net');
	}
        if ((window.event.ctrlKey)&&(window.event.keyCode==57))
	{
		event.returnValue=false; 
		window.open('http://www.9you.com');
	}
}