var rollText_k=3; //菜单总数
var rollText_i=1; //菜单默认值

//setFocus1(0);
//rollText_tt=setInterval("rollText(1)",3000);
function rollText(a){
//clearInterval(rollText_tt);
//rollText_tt=setInterval("rollText(1)",3000);
rollText_i+=a;
if (rollText_i>rollText_k){rollText_i=1;}
if (rollText_i==0){rollText_i=rollText_k;}
//alert(i)
for (var j=1; j<=rollText_k; j++){
document.getElementById("rollTextMenu"+j).style.display="none";
}
document.getElementById("rollTextMenu"+rollText_i).style.display="block";
document.getElementById("pageShow").innerHTML = rollText_i+"/"+rollText_k;
} 
 
function showtab(btnid,tabid,tabnumber){for (i = 1;i<=tabnumber;i++){document.getElementById(tabid+"_btn"+i).className = "";document.getElementById(tabid+"_sub"+i).style.display = "none";}document.getElementById(tabid+"_btn"+btnid).className = "select";document.getElementById(tabid+"_sub"+btnid).style.display = "block";}function showtabss(btnid,tabid,tabnumber){for (i = 1;i<=tabnumber;i++){document.getElementById(tabid+"_btnss"+i).className = "";document.getElementById(tabid+"_subss"+i).style.display = "none";}document.getElementById(tabid+"_btnss"+btnid).className = "select";document.getElementById(tabid+"_subss"+btnid).style.display = "block";};var xmlHttpgg2;function adds(){ xmlHttpgg2=GetXmlHttpObject();if (xmlHttpgg2==null)  {alert ("您的浏览器不支持AJAX！");  return;} var urls="/Destination/sj.asp";xmlHttpgg2.onreadystatechange=function() { if (xmlHttpgg2.readyState == 4 && xmlHttpgg2.status == 200) { document.getElementById("qshowpic").innerHTML = xmlHttpgg2.responseText;}}; xmlHttpgg2.open("GET",urls,true);xmlHttpgg2.send(null);}function showtabs(btnid,tabid,tabnumber){for (i = 1;i<=tabnumber;i++){document.getElementById(tabid+"_btns"+i).className = "";document.getElementById(tabid+"_subs"+i).style.display = "none";}document.getElementById(tabid+"_btns"+btnid).className = "select";document.getElementById(tabid+"_subs"+btnid).style.display = "block";}function tabs(btnid,tabid,tabnumber){for (i = 1;i<=tabnumber;i++){document.getElementById(tabid+"_bs"+i).className = "";document.getElementById(tabid+"_ss"+i).style.display = "none";}document.getElementById(tabid+"_bs"+btnid).className = "select";document.getElementById(tabid+"_ss"+btnid).style.display = "block";}

function Emailcheck(){
	var regExp=/^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/;
	if(!regExp.test(document.emailform.regemail.value)){
		document.forms["emailform"].elements["regemail"].focus(); 
		document.getElementById("email_address").style.display = "block"; 
		return false;
	}
}
	
function clearemail(){
	document.getElementById("email_address").style.display = "none"; 
	document.emailform.regemail.value =''; 
}