function validate_contactform(NForm){
	return Validate_name(NForm) &&
				Validate_phone(NForm) &&
				Validate_Email(NForm) &&
				Validate_comment(NForm) &&
				true;
}
function Validate_name(NForm){
 	NForm.t_name.focus();
 	if(NForm.t_name.value.length==0){ 
  	alert("You must enter Name"); 
  	return false; 
 	}else{
	  return true;
 	}
}
function Validate_Email(NForm){
	NForm.t_email.focus();
	if(NForm.t_email.value.length==0){ 
		alert("PLEASE ENTER VALID EMAIL!"); 
	  return false; 
	}else{
		NForm.t_email.focus();
		var str = NForm.t_email.value;
		var reg1 = /(@.*@)|(\.\.)|(@\.)|(\.@)|(^\.)/; 
		var reg2 = /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,3}|[0-9]{1,3})(\]?)$/;
		if (!reg1.test(str) && reg2.test(str)) {
			return true;
		}else{
			alert ("PLEASE ENTER VALID EMAIL!");
			return false; 
		}
	  return false;
	 }
}
function Validate_phone(NForm){
 	NForm.t_phone.focus();
 	if(NForm.t_phone.value.length==0){ 
  	alert("You must enter Phone"); 
  	return false; 
 	}else{
	  return true;
 	}
}
function Validate_comment(NForm){
 	NForm.m_comment.focus();
 	if(NForm.m_comment.value.length==0){ 
  	alert("You must enter Comment"); 
  	return false; 
 	}else{
	  return true;
 	}
}
function validate_buyform(NForm){
	return Validate_domain(NForm) &&
				Validate_fname(NForm) &&
				Validate_lname(NForm) &&
				Validate_Email(NForm) &&
				Validate_country(NForm) &&
				true;
}
function Validate_domain(NForm){
 	NForm.t_domain.focus();
 	if(NForm.t_domain.value.length==0){ 
  	alert("You must enter Domain"); 
  	return false; 
 	}else{
	  return true;
 	}
}
function Validate_fname(NForm){
 	NForm.t_fname.focus();
 	if(NForm.t_fname.value.length==0){ 
  	alert("You must enter First Name"); 
  	return false; 
 	}else{
	  return true;
 	}
}
function Validate_lname(NForm){
 	NForm.t_lname.focus();
 	if(NForm.t_lname.value.length==0){ 
  	alert("You must enter Last Name"); 
  	return false; 
 	}else{
	  return true;
 	}
}
function Validate_country(NForm){
 	NForm.t_country.focus();
 	if(NForm.t_country.value.length==0){ 
  	alert("You must enter Country"); 
  	return false; 
 	}else{
	  return true;
 	}
}

function display_ShowHide(id,type) {
	var target = document.getElementById(id);
	var all = document.getElementsByTagName(type);
	if (target.style.display == '') {
 		target.style.display = 'none';          
   		return true;
	}
	for (var i = 0; i < all.length; i++) { 
 		all[i].style.display = "none";
	} 
	if (target.style.display == "none") {
 		target.style.display = '';
 		return true;
	}
}