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$ContentPlaceHolder1$T5.value=="") {
    alert("Please input Tel No.！");
    document.aspnetForm.ctl00$ContentPlaceHolder1$T5.focus();
	return false;}
	
	

if(document.aspnetForm.ctl00$ContentPlaceHolder1$T7.value.length!=0)
  {
    if (document.aspnetForm.ctl00$ContentPlaceHolder1$T7.value.charAt(0)=="." ||        
         document.aspnetForm.ctl00$ContentPlaceHolder1$T7.value.charAt(0)=="@"||       
         document.aspnetForm.ctl00$ContentPlaceHolder1$T7.value.indexOf('@', 0) == -1 || 
         document.aspnetForm.ctl00$ContentPlaceHolder1$T7.value.indexOf('.', 0) == -1 || 
         document.aspnetForm.ctl00$ContentPlaceHolder1$T7.value.lastIndexOf("@")==document.aspnetForm.ctl00$ContentPlaceHolder1$T7.value.length-1 || 
         document.aspnetForm.ctl00$ContentPlaceHolder1$T7.value.lastIndexOf(".")==document.aspnetForm.ctl00$ContentPlaceHolder1$T7.value.length-1)
     {
      alert("Invalid email address！");
      document.aspnetForm.ctl00$ContentPlaceHolder1$T7.focus();
      return false;
      }
      }
 else
  {
   alert("Please input email！");
   document.aspnetForm.ctl00$ContentPlaceHolder1$T7.focus();
   return false;
   }
	
   if(document.aspnetForm.ctl00$ContentPlaceHolder1$T9.value=="") {
    alert("Please input Contact Person ！");
    document.aspnetForm.ctl00$ContentPlaceHolder1$T9.focus();
	return false;}
	
if((!(document.getElementById("ctl00_ContentPlaceHolder1_R1_0").checked))&&(!(document.getElementById("ctl00_ContentPlaceHolder1_R1_1").checked))&&(!(document.getElementById("ctl00_ContentPlaceHolder1_R1_2").checked))&&(!(document.getElementById("ctl00_ContentPlaceHolder1_R1_3").checked))&&(!(document.getElementById("ctl00_ContentPlaceHolder1_R1_4").checked))&&(!(document.getElementById("ctl00_ContentPlaceHolder1_R1_5").checked))&&(!(document.getElementById("ctl00_ContentPlaceHolder1_R1_6").checked)))
{
  alert("How Do You Know about Our Company!");
  return false;
}
  	
}