function resizeimg(ImgD,iwidth,iheight,stat) { 
     var image=new Image(); 
     image.src=ImgD.src; 
     if(image.width>0 && image.height>0){ 
        if(image.width/image.height>= iwidth/iheight){ 
           if(image.width>iwidth){ 
               ImgD.width=iwidth; 
               ImgD.height=(image.height*iwidth)/image.width; 
           }else{ 
                  ImgD.width=image.width; 
                  ImgD.height=image.height; 
                } 
               ImgD.alt=image.width+""+image.height; 
        } 
        else{ 
                if(image.height>iheight){ 
                       ImgD.height=iheight; 
                       ImgD.width=(image.width*iheight)/image.height; 
                }else{ 
                        ImgD.width=image.width; 
                        ImgD.height=image.height; 
                     } 
                ImgD.alt=image.width+""+image.height; 
            }
			window.parent.document.getElementById('width').value = ImgD.width;
			window.parent.document.getElementById('height').value = ImgD.height;
			
ImgD.style.cursor= "pointer"; //ıָ 
			//Ƿ
			if(stat){
			ImgD.onclick = function() { window.open(this.src);} //򿪴ͼƬ 
					if (navigator.userAgent.toLowerCase().indexOf("ie") > -1) { //жIE 
			ImgD.title = "ʹͼƬͼƬ´ڴ"; 
			ImgD.onmousewheel = function img_zoom() // 
			 { 
			var zoom = parseInt(this.style.zoom, 10) || 100; 
			zoom += event.wheelDelta / 12; 
			if (zoom> 0)this.style.zoom = zoom + "%"; 
			return false; 
			 } 
			  } else { //IE 
			     ImgD.title = "ͼƬ´ڴ"; 
			   } 
			}
    } 
}