/*onload="pic_reset(this,'50,50');" 等比缩放图片*/
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";  */
}