/*调用弹出窗口在屏幕中间显示
<a href="#" onclick="NewWindow(this.href,'cname','500','500','yes');return false">cssrain.cn</a>
<a href="#" onclick="NewWindow(this.href,'cname','500','500','no');return false">cssrain.cn</a>
*/
var win = null;
function NewWindow(mypage,myname,w,h,scroll){
	LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
	TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
	settings ='height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',resizable,fullscreen=0';
	win = window.open(mypage,myname,settings);
	win.focus();
}


//关闭和开启左边的模块菜单
var displayBar=true;
function switchBar(obj)
{
	if (displayBar)
	{
		parent.frame.cols="0,*";
		displayBar=false;
	}
	else{
		parent.frame.cols="152,*";
		displayBar=true;
	}
}


ns4 = (document.layers) ? true : false;   
ie4 = (document.all) ? true : false;   
function keyDown(e){   
	if(ns4){   
		var nkey=e.which;   
		var iekey='现在是ns浏览器';   
		var realkey=String.fromCharCode(e.which);   
	}   
	if(ie4){   
		var iekey=event.keyCode;   
		var nkey='现在是ie浏览器';   
		var realkey=String.fromCharCode(event.keyCode);   
		//if(event.keyCode==32){realkey='\' 空格\''}   
		//if(event.keyCode==13){realkey='\' 回车\''}   
		//if(event.keyCode==27){realkey='\' Esc\''}   
		//if(event.keyCode==16){realkey='\' Shift\''}   
		//if(event.keyCode==17){realkey='\' Ctrl\''}   
		//if(event.keyCode==18){realkey='\' Alt\''}   
	}
	if (iekey==119){
		switchBar(this);
	}
}   
document.onkeydown = keyDown;   
if(ns4){   
	document.captureEvents(Event.KEYDOWN);
}