// JavaScript Document
function switch_img(div_name,img_name)
{
    document.getElementById(div_name).src=img_name;
}
 function setvalue1(obj)
 {
   if(obj.value=="ÇëÊäÈë¹Ø¼ü´Ê")
   {
   obj.value="";
   obj.focus();
   }
 }
 function setvalue2(obj,aa)
 {
   if (obj.value=="")
   {
     obj.value=aa;
	 obj.blur();
   }
 }