function bgChange(selObj) {

 newColor = selObj.options[selObj.selectedIndex].text;

 if(selObj.selectedIndex==1)
 {document.body.background=" img/topbg.jpg";
  selObj.selectedIndex = 1;
 }
 else if(selObj.selectedIndex==2)
 {
 document.body.background="img/bg.png";
 selObj.selectedIndex = 2;
 }
  else if(selObj.selectedIndex==3)
 {
 document.body.background="img/bg3.jpg";
 selObj.selectedIndex = 3;
 }
 else if(selObj.selectedIndex==4)
 {
 document.body.background="img/bg4.jpg";
 selObj.selectedIndex=4;
 }

else
{ document.body.background="";
 selObj.selectedIndex = 0;
}

 }

//-->
function search(name,role)
 {
	document.location="search.aspx?name="+name+"&role="+role;//根据用户名+用户角色查找
 }

var time_out = 10000;
function log_start()
{
window.miman.style.visibility="visible";
window.setTimeout( "real_log_start()", time_out ); 
return false;
}
function real_log_start()
{
window.miman.style.display="none";
}