function check()
{
    if(document.aspnetForm.ctl00$ContentPlaceHolder1$T1.value=="") {
    alert("Please input Firm Name！");
    document.aspnetForm.ctl00$ContentPlaceHolder1$T1.focus();
	return false;}

	if(document.aspnetForm.ctl00$ContentPlaceHolder1$T7.value=="") {
    alert("Please input Work Phone！");
    document.aspnetForm.ctl00$ContentPlaceHolder1$T7.focus();
	return false;}
	
	if(document.aspnetForm.ctl00$ContentPlaceHolder1$T9.value=="") {
    alert("Please input Cell Phone！");
    document.aspnetForm.ctl00$ContentPlaceHolder1$T9.focus();
	return false;}
	
if(document.aspnetForm.ctl00$ContentPlaceHolder1$T10.value=="") {
    alert("Please input Contant Person！");
    document.aspnetForm.ctl00$ContentPlaceHolder1$T10.focus();
	return false;}
	
  if(document.aspnetForm.ctl00$ContentPlaceHolder1$T11.value.length!=0)
  {
    if (document.aspnetForm.ctl00$ContentPlaceHolder1$T11.value.charAt(0)=="." ||        
         document.aspnetForm.ctl00$ContentPlaceHolder1$T11.value.charAt(0)=="@"||       
         document.aspnetForm.ctl00$ContentPlaceHolder1$T11.value.indexOf('@', 0) == -1 || 
         document.aspnetForm.ctl00$ContentPlaceHolder1$T11.value.indexOf('.', 0) == -1 || 
         document.aspnetForm.ctl00$ContentPlaceHolder1$T11.value.lastIndexOf("@")==document.aspnetForm.ctl00$ContentPlaceHolder1$T11.value.length-1 || 
         document.aspnetForm.ctl00$ContentPlaceHolder1$T11.value.lastIndexOf(".")==document.aspnetForm.ctl00$ContentPlaceHolder1$T11.value.length-1)
     {
      alert("Invalid email address！");
      document.aspnetForm.ctl00$ContentPlaceHolder1$T11.focus();
      return false;
      }
      }
 else
  {
   alert("Please input email！");
   document.aspnetForm.ctl00$ContentPlaceHolder1$T11.focus();
   return false;
   }
   
	var sum1=0;
	var items1=document.getElementsByTagName("input");
	for(var j=0;j<items1.length;j++)
	{
	    if(items1[j].name.indexOf("ctl00$ContentPlaceHolder1$R1")!=-1 && items1[j].type=="radio")
	    {
	        if(items1[j].checked==true)
	        {
	            sum1++;
	        }
	    }
	}
	if(sum1==0){
	    alert("How Do You Know About Us? ");
	    return false;
	}
	
	if((!(document.getElementById("ctl00_ContentPlaceHolder1_C1").checked))&&(!(document.getElementById("ctl00_ContentPlaceHolder1_C2").checked))&&(!(document.getElementById("ctl00_ContentPlaceHolder1_C3").checked))&&(!(document.getElementById("ctl00_ContentPlaceHolder1_C4").checked))&&(!(document.getElementById("ctl00_ContentPlaceHolder1_C5").checked))&&(!(document.getElementById("ctl00_ContentPlaceHolder1_C6").checked)))
    {
        alert("The Service(s) You Would Like to Choose is / are?");
        return false;
    }
}