function check()
{
    if(document.aspnetForm.ctl00$ContentPlaceHolder1$T1.value=="") {
    alert("Please input Law Firm Name！");
    document.aspnetForm.ctl00$ContentPlaceHolder1$T1.focus();
	return false;}
	
	if(document.aspnetForm.ctl00$ContentPlaceHolder1$T7.value=="") {
    alert("Please input Postal 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 Contact 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;
      }

	if(document.aspnetForm.ctl00$ContentPlaceHolder1$T15.value=="") {
    alert("Please input Practice Area ！");
    document.aspnetForm.ctl00$ContentPlaceHolder1$T15.focus();
	return false;}
	
	if(document.aspnetForm.ctl00$ContentPlaceHolder1$T16.value=="") {
    alert("Which city would you like to set up your office?");
    document.aspnetForm.ctl00$ContentPlaceHolder1$T16.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;
	}
}