function key_down_enable()
{		
	if(window.event.keyCode == 10 || window.event.keyCode == 13)
	{
		lastkeyCode = window.event.keyCode;
		currentkeyCode = 9;
		event.keyCode =9;				
		return true;	    						      	      
  	} 
	return true;
}
function Init()
{
	try
	{					
		this.focus();	
		if (document.all('VarNum') != null)
		{
			document.all('VarNum').value = 1;			
		}
		document.all("txtValue").value = "";					
	}
	catch (err)
	{
	}
}

function Favorite(url,name)
{
	window.external.AddFavorite(url,name);	
	return false;						
}
function CheckUserInput(strInput)
{
	//判断是否为数字				
	if(strInput.length == 0) 
	{ 
		alert("请输入跳转的页数") ;
		return false; 
	} 				
	for(i=0; i<strInput.length; i++) 
	{ 
		if(strInput.charAt(i)<'0' || strInput.charAt(i) >'9') 
		{ 
			alert("只能输入数字"); 
			return false;
		} 
	}	
	return true;					
}

function dyniframesize() 
{				
	var dyniframe=new Array()
	for (i=0; i<iframeids.length; i++)
	{
		if (document.getElementById)
		{
			//自动调整iframe高度
			dyniframe[dyniframe.length] = document.getElementById(iframeids[i]);
			if (dyniframe[i] && !window.opera)
			{
				dyniframe[i].style.display="block"
				if (dyniframe[i].contentDocument && dyniframe[i].contentDocument.body.offsetHeight) //如果用户的浏览器是NetScape
					dyniframe[i].height = dyniframe[i].contentDocument.body.offsetHeight; 
				else if (dyniframe[i].Document && dyniframe[i].Document.body.scrollHeight) //如果用户的浏览器是IE
					dyniframe[i].height = dyniframe[i].Document.body.scrollHeight;
			}
		}
		//根据设定的参数来处理不支持iframe的浏览器的显示问题
		if ((document.all || document.getElementById) && iframehide=="no")
		{
			var tempobj=document.all? document.all[iframeids[i]] : document.getElementById(iframeids[i])
			tempobj.style.display="block"
		}
	}
}

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}	
function MM_openBrWindow(theURL,winName,features) { //v2.0
	var openwin	=	window.open(theURL,winName,features + ",scrollbars=yes");
	openwin.focus();
	openwin.moveTo(30,20);
}