function MM_jumpMenu(targ,selObj,restore){ 
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}
var slidespeed=2000
var slideimages=new Array("img/slide/a1.jpg","img/slide/a2.jpg","img/slide/a3.jpg","img/slide/a4.jpg")
var imageholder=new Array()
var ie55=window.createPopup
for (i=0;i<slideimages.length;i++){
imageholder[i]=new Image()
imageholder[i].src=slideimages[i]
}