<!--
//Scroll screen;
var currentpos,timer;
function initialize() {
  timer=setInterval ("scrollwindow ()",50);
}
function sc() {
  clearInterval(timer);
}
function scrollwindow() {
  currentpos=document.body.scrollTop;
  window.scroll(0,++currentpos);
  if (currentpos !=document.body.scrollTop)
  sc();
}
document.onmousedown=sc;
document.ondblclick=initialize;

//Navigation;
function mOvr(src,clrOver) {
  if (!src.contains(event.fromElement)) {src.bgColor = clrOver;}
}
function mOut(src,clrIn) {
  if (!src.contains(event.toElement)) { src.style.cursor = 'default'; src.bgColor = clrIn; }
}
function mClk(src) {
  if(event.srcElement.tagName=='td'){src.children.tags('a')[0].click();}
}

//Save page;
function Exec(obj,cmd){
   obj.select();
   document.execCommand(cmd)
}
//-->

function openwin(page,size)
{
window.open(page,"newuser","toolbar=no,location=no,directories=no,status=no,menubar=yes,scrollbars=yes,resizable=no,"+ size);
}                                                                                          
function research_onsubmit() {
 if(document.research.Options[0].checked==false &&document.research.Options[1].checked==false&&document.research.Options[2].checked==false&&document.research.Options[3].checked==false)
  {
    alert("错误:没有选择！")
    return false
   }
 }