function dkalt(zhiwei,companyname){
   alt_x=event.clientX+document.body.scrollLeft - document.body.clientLeft;
   alt_xa=event.clientY
   alt_y=event.clientY+18+document.body.scrollTop - document.body.clientTop;
   alt_yy=event.clientY+document.body.scrollTop
   document.getElementById("alt_1").style.top=alt_y;
   document.getElementById("alt_1").style.display="block";
   document.getElementById("alt_2").innerHTML=zhiwei;
   document.getElementById("alt_3").innerHTML=companyname;
   sh_height=document.getElementById('alt_1').offsetHeight;
   sh_width=document.getElementById('alt_1').offsetWidth;
   pm_w=screen.width
   pm_h=screen.height;
   document.getElementById("alt_1").style.left=alt_x;
   document.getElementById("alt_1").style.width="auto";
if (alt_x+200>pm_w){
     document.getElementById("alt_1").style.left=pm_w-200;
	 document.getElementById("alt_1").style.width=170;
}
if (620<sh_height+alt_xa+18){
    document.getElementById("alt_1").style.top=alt_yy-sh_height-5;
}
}
function gbalt(){
document.getElementById("alt_1").style.display="none";
}