<!--
function validfield() 
{
	if (document.nhform.company.value == "") { alert ("Please fill in Company Name field"); document.nhform.company.focus(); return false; }	
	if (document.nhform.address.value == "") { alert ("Please fill in Address field"); document.nhform.address.focus(); return false; }	
	if (document.nhform.contact.value == "") { alert ("Please fill in Contact Person field"); document.nhform.contact.focus(); return false; }				
	if (document.nhform.position.value == "") { alert ("Please fill in Position field"); document.nhform.position.focus(); return false; }				
   //start phone nos.
  
	   var tel1 = document.nhform.tel_ctry.value;
	   if (tel1 == "") { alert("Please enter your (TELEPHONE) COUNTRY CODE.");
	   document.nhform.tel_ctry.focus();document.nhform.tel_ctry.select();	   	   
	   return false; }
	   for (var i = 0; i < tel1.length; i++){      
			var telchh = tel1.substring(i, i + 1);      
			if (telchh < "0" || "9" < telchh) { alert("The (TELEPHONE) COUNTRY CODE field accepts only numbers. \nPlease RE-ENTER a NUMBER.");         
			    document.nhform.tel_ctry.focus();document.nhform.tel_ctry.select();	   	   				
				return false; }      
		}    
	   var tel2 = document.nhform.tel_area.value;
	   /*if (tel2 == "") { alert("Please enter your (TELEPHONE) AREA CODE.");
	   document.nhform.tel_area.focus(); document.nhform.tel_area.select();	   	   
	   return false; } */
	   for (var i = 0; i < tel2.length; i++){      
			var telchh2 = tel2.substring(i, i + 1);      
			if (telchh2 < "0" || "9" < telchh2) { alert("The (TELEPHONE) AREA CODE field accepts only numbers. \nPlease RE-ENTER a NUMBER.");         
			    document.nhform.tel_area.focus();document.nhform.tel_area.select();	   				
				return false; }      
		}    		
	   var tel3 = document.nhform.tel_num.value;
	   if (tel3 == "") { alert("Please enter your TELEPHONE NUMBER.");
	   document.nhform.tel_num.focus();document.nhform.tel_num.select();	   	   
	   return false; }
	   for (var i = 0; i < tel3.length; i++){      
			var telchh3 = tel3.substring(i, i + 1);      
			if (telchh3 < "0" || "9" < telchh3) { alert("\nThe TELEPHONE field accepts only numbers. \nPlease RE-ENTER a NUMBER.");         
			    document.nhform.tel_num.focus();document.nhform.tel_num.select();	   				
				return false; }      
		} 		   
   
 //	   }
   //end phone nos.
   //start fax nos.
	   var fax1 = document.nhform.fax_ctry.value;
	   if (fax1 == "") { alert("Please enter your (FAX) COUNTRY CODE.");
	   document.nhform.fax_ctry.focus();document.nhform.fax_ctry.select();	   	   
	   return false; }
	   for (var i = 0; i < fax1.length; i++){      
			var faxchh = fax1.substring(i, i + 1);      
			if (faxchh < "0" || "9" < faxchh) { alert("The (FAX) COUNTRY CODE field accepts only numbers. \nPlease RE-ENTER a NUMBER.");         
			    document.nhform.fax_ctry.focus();document.nhform.fax_ctry.select();	   	   				
				return false; }      
		}    
	   var fax2 = document.nhform.fax_area.value;
	   //if (fax2 == "") { alert("Please enter your (FAX) AREA CODE.");
	   //document.nhform.fax_area.focus(); document.nhform.fax_area.select();	   	   
	   //return false; }
	   for (var i = 0; i < fax2.length; i++){      
			var faxchh2 = fax2.substring(i, i + 1);      
			if (faxchh2 < "0" || "9" < faxchh2) { alert("The (FAX) AREA CODE field accepts only numbers. \nPlease RE-ENTER a NUMBER.");         
			    document.nhform.fax_area.focus();document.nhform.fax_area.select();	   				
				return false; }      
		}    		
	   var fax3 = document.nhform.fax_num.value;
	   if (fax3 == "") { alert("Please enter your FAX NUMBER.");
	   document.nhform.fax_num.focus();document.nhform.fax_num.select();	   	   
	   return false; }
	   for (var i = 0; i < fax3.length; i++){      
			var faxchh3 = fax3.substring(i, i + 1);      
			if (faxchh3 < "0" || "9" < faxchh3) { alert("\nThe FAX field accepts only numbers. \nPlease RE-ENTER a NUMBER.");         
			    document.nhform.fax_num.focus();document.nhform.fax_num.select();	   				
				return false; }      
		} 		   
   // end fax nos.		
  //email	
   if (document.nhform.email.value == "") { alert ("Please fill in E-mail field"); document.nhform.email.focus(); return false; }	   
   //if ((document.nhform.email.value.indexOf ('@') == -1) || (document.nhform.email.value.indexOf ('.') == -1)) {
   if ((document.nhform.email.value.indexOf ('@', 2) == -1) || (document.nhform.email.value.indexOf ('.', 4) == -1)) {
	alert('Please enter a valid E-mail Address.');  
        document.nhform.email.focus(); document.nhform.email.select();
		return false; } 	  
   // an at sign (@) that is at least the third character and a period (.) that is at least the fifth character 
	//end email	
	if (document.nhform.intro.value == "") { alert ("Please fill in Company Introduction field"); document.nhform.intro.focus(); return false; }		
	if (document.nhform.articles.value == "") { alert ("Please fill in Products to exhibit field"); document.nhform.articles.focus(); return false; }				   
 return true;
}

// -->