// resizeImage 与 resizeImg 、 newGuid 必须组合调用才可以(方便FF 谷歌浏览)
function resizeImage(obj, MaxW, MaxH)
{
    var imageObject=obj;if(!document.all){window.addEventListener('load',function(){imageObject.readyState='complete'},false);}//FF下判断加载完成
    var state = imageObject.readyState;
	if(state!='complete') 
	{
	    var Id;if (imageObject.id==""){ Id=newGuid();imageObject.id=Id;}else{ Id=imageObject.id;}
        setTimeout("resizeImg('"+Id+"',"+MaxW+","+MaxH+")",50);
		return;
    }
    var oldImage = new Image();
    oldImage.src = imageObject.src;
    var dW = oldImage.width; var dH = oldImage.height;
    if(dW>MaxW || dH>MaxH) 
	{
        a = dW/MaxW; b = dH/MaxH;
        if( b>a ) a = b;
        dW = dW/a; dH = dH/a;
    }
    if(dW > 0 && dH > 0)
	{
        imageObject.width = dW;
		imageObject.height = dH;
	}
}

function resizeImg(id, MaxW, MaxH)
{
var imageObject=document.getElementById(id);if(!document.all){
window.addEventListener('load',function(){imageObject.readyState='complete'},false);}
    var state = imageObject.readyState;
	if(state!='complete') 
	{
        setTimeout("resizeImg('"+id+"',"+MaxW+","+MaxH+")",50);
		return;
    }
    var oldImage = new Image();
    oldImage.src = imageObject.src;
    var dW = oldImage.width; var dH = oldImage.height;
    if(dW>MaxW || dH>MaxH) 
	{
        a = dW/MaxW; b = dH/MaxH;
        if( b>a ) a = b;
        dW = dW/a; dH = dH/a;
    }
    if(dW > 0 && dH > 0) 
	{
        imageObject.width = dW;
		imageObject.height = dH;
	}
}
//生成唯一数
function newGuid()
{
    var guid = "";
    for (var i = 1; i <= 32; i++){
      var n = Math.floor(Math.random()*16.0).toString(16);
      guid +=   n;
      if((i==8)||(i==12)||(i==16)||(i==20))
        guid += "-";
    }
    return guid;    
}

function imgZoom(e, o)
{
	var zoom = parseInt(o.style.zoom, 10) || 100;
	zoom += event.wheelDelta / 12;
	if (zoom > 0) o.style.zoom = zoom + '%';
	return false;
}
/* ie中保证png透明,myImage为Object
使用方法onload="fixPNG(this)"
*/
function fixPNG( myImage ) 
{    
	var arVersion = navigator.appVersion.split("MSIE");
	var version = parseFloat(arVersion[1]);
	if ((version >= 5.5) && (version < 7) && (document.body.filters))
	{
		var imgID = (myImage.id) ? "id='" + myImage.id + "' " : "";
		var imgClass = (myImage.className) ? "class='" + myImage.className + "' " : "";
		var imgTitle = (myImage.title) ? "title='" + myImage.title  + "' " : "title='" + myImage.alt + "' ";
		var imgStyle = "display:inline-block;" + myImage.style.cssText;
		var strNewHTML = "<span " + imgID + imgClass + imgTitle + " style=\"" + "width:" + myImage.width + "px; height:" + myImage.height+ "px;" + imgStyle + ";"+ "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader" + "(src=\'" + myImage.src + "\', sizingMethod='scale');\"></span>";
		myImage.outerHTML = strNewHTML;
	} 
} 
///按比例缩放
function pic_reset(drawImage,thumbs_size) {   

    var max = thumbs_size.split(',');    
    var fixwidth = max[0];    
    var fixheight = max[1];   
    w=drawImage.width;h=drawImage.height;    
    if(w>fixwidth) { drawImage.width=fixwidth;drawImage.height=h/(w/fixwidth);}    
    if(h>fixheight) { drawImage.height=fixheight;drawImage.width=w/(h/fixheight);}          
    drawImage.style.cursor= "pointer";    
    drawImage.onclick = function() { window.open(this.src);}     
    drawImage.title = "点击查看原始图片";   
}

  function ImageChange(args) {
            var oImg = document.getElementById("img1");
            if (args) {
                oImg.width = oImg.width * 1.2;
                oImg.height = oImg.height * 1.2;
            }
            else {
                oImg.width = oImg.width / 1.2;
                oImg.height = oImg.height / 1.2;
            }
        }
        
        
        
        
        
            
     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"); 
            } 
        } 
    }