// JScript 文件

   //验证是否为数字
   function isNumber(oNum)
   {
    var   Letters   =   "0123456789";     
    for   (i=0;   i<   oNum.length;   i++){     
          var   CheckChar   =   oNum.charAt(i);     
          if   (Letters.indexOf(CheckChar)   ==   -1){     
              alert("手机号码格式不确！");          
              return   false;     
            }
                
        } 
          return true;  
   }
   
   
//短信打字机效果
var max=0;
function textlist() {
max=textlist.arguments.length;
for (i=0; i<max; i++)
this[i]=textlist.arguments[i];
}
tl = new textlist( 
"只要输入您的手机号码",
"就可以获得试用短信服务的机会",
"赶快来体验一下吧!!");

var x = 0;
function textticker() 
{
    document.getElementById("textticker").innerHTML=tl[x];
        if(++x == max) x = 0; 
        setTimeout("textticker()", 2000);
}