//遮罩弹窗
function show(cover,id){
	var objCover=document.getElementById(cover);
	var objId=document.getElementById(id);
	var scrollW=document.documentElement.scrollWidth;
	var scrollH=document.documentElement.scrollHeight;
	var T=(document.documentElement.clientHeight-objId.clientHeight)/2+document.documentElement.scrollTop;
	var L=(document.documentElement.clientWidth-objId.clientWidth)/2+document.documentElement.scrollLeft;
	objCover.style.width=scrollW+"px";
	objCover.style.height=scrollH+"px";
	objCover.style.visibility="visible";
	objId.style.top=T+"px";
	objId.style.left=L+"px";
	objId.style.visibility="visible";
}
function hide(cover,id){
	var objCover=document.getElementById(cover);
	var objId=document.getElementById(id);
	objCover.style.visibility="hidden";
	objId.style.visibility="hidden";
}

//弹出日期选择窗口
function doSelectTime(strFile,strObj)
{
  var showx=event.screenX-event.offsetX-14;
  var showy=event.screenY-event.offsetY-168;
  var retval=window.showModalDialog(strFile,'','dialogWidth:197px; dialogHeight:235px; dialogLeft:'+showx+'px; dialogTop:'+showy+'px; status:no; directories:yes;scrollbars:no;Resizable=no;');
  if( retval!=null ) { strObj.value=retval; }
}

//风格切换
//function changeStyle(style) {
//	var stylesheet=document.getElementById('style').href=style;
//	document.cookie='stylesheet='+escape(stylesheet);
//}
//
//function initStyle() {
//	if (/stylesheet=([^;]+)/.test(document.cookie))
//	document.getElementById('style').href=unescape(RegExp.$1);
//}
//
//window.onload=function(){ initStyle(); }

//弹出新窗口
function externallinks() { 
	if (!document.getElementsByTagName) return; 
	var anchors = document.getElementsByTagName("a"); 
	for (var i = 0; i<anchors.length; i++) { 
		var anchor = anchors[i]; 
		if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "_blank") 
		anchor.target = "_blank"; 
	} 
} 
window.onload = externallinks;