function check()
{

	if (document.submitform.name.value == '')
	{
		alert('Please enter your Name');
		document.submitform.name.focus();
		return false;
	}

	if (document.submitform.email.value == '')
	{
		alert('Please enter your E-mail');
		document.submitform.email.focus();
		return false;
	}
	if (document.submitform.email.value.charAt(0)==" ")
 	 {
		alert("Please fill a valid e-mail address.");
		document.submitform.email.focus();
		return false;
	 }
    if (document.submitform.email.value.indexOf("@")<1)
	 {
		alert("Please fill a valid e-mail address.");
		document.submitform.email.focus();
		return false;
	 }
	if (document.submitform.email.value.indexOf(".")<2)
     {
		alert("Please fill a valid e-mail address.");
		document.submitform.email.focus();
		return false;
	 }
    email_ind1 = document.submitform.email.value.indexOf("@");
    email_ind2 = document.submitform.email.value.indexOf(".",email_ind1);
    email_ind3 = document.submitform.email.value.lastIndexOf(".");
	if ((email_ind2-email_ind1) < 2)
	 {
	    alert("Please fill a valid e-mail address.");
	    document.submitform.email.focus();
	    return false;
	 } 
	if (document.submitform.email.value.substring(email_ind3) == ".")
	 {
	    alert("Please fill a valid e-mail address.");
	    document.submitform.email.focus();
	    return false;
	 } 
	if (document.submitform.email.value.indexOf(" ") > 0)
     {
		alert("Please fill a valid e-mail address.");
		document.submitform.email.focus();
		return false;
	 }
	
	if (document.submitform.off_add.value == '')
	{
		alert('Please enter Office/Residential Address');
		document.submitform.off_add.focus();
		return false;
	}
	if (document.submitform.tel.value == '')
	{
		alert('Please fill Telephone number');
		document.submitform.tel.focus();
		return false;
	}
	if (!IsNumeric(document.submitform.tel.value))
	{
		alert('Please fill a valid Telephone number');
		document.submitform.tel.focus();
		return false;
	}
	if (document.submitform.comments.value == '')
	{
		alert('Please enter Comments');
		document.submitform.comments.focus();
		return false;
	}
return true
}

function maxtext(x,y){
	tempstr = x.value
	if(tempstr.length>y){
		x.value = tempstr.substring(0,y);
	}
}

function IsNumeric(sText)
{
   var ValidChars = "0123456789-";
   var IsNumber=true;
   var Char;

 
   for (i = 0; i < sText.length && IsNumber == true; i++) 
      { 
      Char = sText.charAt(i); 
      if (ValidChars.indexOf(Char) == -1) 
         {
         IsNumber = false;
         }
      }
   return IsNumber;
}