// JavaScript Document
/*
自动变图片长高
<img src="images/smallshoeswen_2094.jpg" width="150" height="150" onload="javascript:DrawImage(this,150,160);">
*/
function DrawImage(ImgD,FitWidth,FitHeight){
var image=new Image();    
image.src=ImgD.src;    
if(image.width>0 && image.height>0){       
   if(image.width/image.height>= FitWidth/FitHeight){            
    if(image.width>FitWidth){               
     ImgD.width=FitWidth;                
     ImgD.height=(image.height*FitWidth)/image.width;            
    }else{                
     ImgD.width=image.width;               
     ImgD.height=image.height;           
    }
   }else{            
    if(image.height>FitHeight){                
     ImgD.height=FitHeight;                
     ImgD.width=(image.width*FitHeight)/image.height;           
    }else{                
     ImgD.width=image.width;                
     ImgD.height=image.height;            
    }
   }
}
}

/*
搜索验证
*/
function ChksearchForm(){
	if ((document.searchForm.keyword.value=="") ||(document.searchForm.keyword.value=="请输入关键字")){
		alert("请输入关键字搜索！");
		document.searchForm.keyword.focus();
		return false;
	}
	return true;
}
/*
分级菜单
*/
function menu(oblog){
if(oblog.style.display=='block'){
	oblog.style.display='none';
	}else{
	oblog.style.display='block';
	}
}

// JavaScript Document
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

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_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function AddFavorite(sURL, sTitle)
{
    try
    {
        window.external.addFavorite(sURL, sTitle);
    }
    catch (e)
    {
        try
        {
            window.sidebar.addPanel(sTitle, sURL, "");
        }
        catch (e)
        {
            alert("加入收藏失败，请使用Ctrl+D进行添加");
        }
    }
}
function SetHome(obj,vrl){
        try{
                obj.style.behavior='url(#default#homepage)';obj.setHomePage(vrl);
        }
        catch(e){
                if(window.netscape) {
                        try {
                                netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
                        }
                        catch (e) {
                                alert("抱歉！您的浏览器不支持直接设为首页");
                        }
                        var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces.nsIPrefBranch);
                        prefs.setCharPref('browser.startup.homepage',vrl);
                 }
        }
}