function    savepic(){   
   if(document.all.a1==null){   
   objIframe=document.createElement("IFRAME");   
   document.body.insertBefore(objIframe);   
   objIframe.outerHTML=    "<iframe    name=a1    style='width:0;hieght:0'    src="+pic1.href+"></iframe>";   
   re=setTimeout("savepic()",1)   
   }   
   else{   
   clearTimeout(re)   
   pic    =    window.open(pic1.href,"a1")   
   pic.document.execCommand("SaveAs")   
   document.all.a1.removeNode(true)   
   }}