layerRef=""
styleRef=""
if (navigator.appName=="Netscape"){
layerRef=".layers"
styleRef=""
}
else {
layerRef=".all"
styleRef=".style"
}

function showLayer(layerName,id)
{
	eval("document"+layerRef+"[layerName]"+styleRef+".visibility='visible'");
	document.forms[id].search.focus();
}

function hideLayer(layerName)
{
	eval("document"+layerRef+"[layerName]"+styleRef+".visibility='hidden'");
}
function checkform(id)
{
if(document.forms[id].search.value==""){alert('请输入要查询的内容！');
document.forms[id].search.focus();
return false;}
}
function openWindow(theURL,winName)
{
  window.open(theURL,winName,'scrollbars=yes,resizable=1,width=500,height=400,Top=50,Left=150');
}

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}