// JavaScript Document
window.onload=function()
{
	MM_preloadImages('images/ad_1.jpg','images/ad_2.jpg','images/ad_3.jpg','images/ad_4.jpg');
	pic();
}

//
var thispic=0;
function pic()
{
	var pics=new Array('images/ad_1.jpg','images/ad_2.jpg','images/ad_3.jpg','images/ad_4.jpg');	
	if(thispic==pics.length) thispic=0;
	document.getElementById('banner').style.backgroundImage='url('+pics[thispic]+')';
	setTimeout('pic()',8000);
	thispic++;
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function search1()
{
   var Getkey=document.sform.keywords.value;	
   if (Getkey=="")
	{
		alert('Please input your keywords!');
	    document.sform.keywords.focus();
	    return false;
	}
	else
	{
		document.sform.action="search.asp?keywords="+Getkey;
        document.sform.submit();
		return true;
	}
}