
<!--
//Generate transition CSS (transition=0 to 23)
document.write('<STYLE TYPE="text/css">.imgTrans{ filter:revealTrans(duration=0.4,transition=12) }</STYLE>');

//Uncomment the next line for fading rollovers instead of dissolving:
//document.write('<STYLE TYPE="text/css">.imgTrans{ filter:blendTrans(duration=0.4) }</STYLE>');

var onImages=new Array();
function Rollover(imgName, imgSrc)
{
	onImages[imgName] = new Image();
	onImages[imgName].src = imgSrc;
}

function turnOn(imgName){ 
	if(document.images[imgName].filters != null)
		document.images[imgName].filters[0].apply();
	document.images[imgName].offSrc = document.images[imgName].src;
	document.images[imgName].src    = onImages[imgName].src;
	if(document.images[imgName].filters != null)
		document.images[imgName].filters[0].play();
}

function turnOff(imgName){ 
	if(document.images[imgName].filters != null)
		document.images[imgName].filters[0].stop();
	document.images[imgName].src = document.images[imgName].offSrc;
}

//Specify name of participating images, plus paths to their onMouseover replacements:
Rollover("x1", "images/index_1.gif");
Rollover("x2", "images/domain_1.gif");
Rollover("x3", "images/mail_1.gif");
Rollover("x4", "images/host_1.gif");
Rollover("x5", "images/fax_1.gif");
Rollover("x6", "images/sms_1.gif");
Rollover("x7", "images/web_1.gif");
Rollover("x8", "images/service_1.gif");
Rollover("x9", "images/contact_1.gif");



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 CheckIfEnglish(String)
{
    var Letters = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890_-";
     var i;
     var c;
     for( i = 0; i < String.length; i ++ )
     {
          c = String.charAt( i );
	  if (Letters.indexOf( c ) < 0)
	     return false;
     }
     return true;
}
function checkForm()
{
	if (document.getElementById("domainname").value == ""){
		alert ("提示：\n\n如果您要进行域名的查询，请输入您要查询的域名前缀！");
		document.getElementById("domainname").focus();
		return false;
	}
	else{
	if (!CheckIfEnglish(document.getElementById("domainname").value )) {
		alert("提示：\n\n您输入的域名前缀不符合要求，正确的域名前缀必须是英文、数字及“-”！");
		document.getElementById("domainname").focus();
		return false;
	}
	
	}
return true
}
