function check_validate() {
		var valid = true;
		if(document.frm_add.name.value==""){
			alert("Please enter your name");
			valid = false;
		}
		else if(document.frm_add.company.value==""){
			alert("Please enter your company name.");
			valid = false;
		}
		else if(document.frm_add.city.value==""){
			alert("Please enter your city name.");
			valid = false;
		}
		else if(document.frm_add.country.value==""){
			alert("Please enter your country name.");
			valid = false;
		}
		else if(document.frm_add.email.value==""){
			alert("Please enter your email.");
			valid = false;
		}
		else if(document.frm_add.subject.value==""){
			alert("Please enter your subject.");
			valid = false;
		}
		else if(document.frm_add.phone.value==""){
			alert("Please enter your phone number.");
			valid = false;
		}
		else if(document.frm_add.message.value==""){
			alert("Please enter your message.");
			valid = false;
		}
	return valid;
	}

function news_validate() {
	var valid = true;
	if(document.news_form.name.value==""){
		alert("Please enter your name");
		valid = false;
	}
	else if(document.news_form.email.value==""){
		alert("Please enter your email address.");
		valid = false;
	}
return valid;
}

function popup(url, name, width, height) {
	settings="toolbar=no,location=no,directories=no,"+
		"status=no,menubar=no,scrollbars=yes,"+
		"resizable=yes,width="+width+",height="+height;

	MyNewWindow=window.open(url,name,settings);
}

function contact_validation(){
	var valid=true;
	
	if(document.frm_con.username.value=="") {
		alert("Please type you full name.");
		document.frm_con.username.focus();
		valid = false;
	}
	else if(document.frm_con.email.value=="") {
		alert("Please type youe email address.");
		document.frm_con.email.focus();
		valid = false;
	}
	else if (!(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(document.frm_con.email.value))) {
		alert("A valid e-mail address is required.\nPlease amend and retry.");
		document.frm_con.email.focus();
	    valid = false;
	}
	else if(document.frm_con.phone.value=="") {
		alert("Please type your contact telephone.");
		document.frm_con.phone.focus();
		valid = false;
	}
	else if(document.frm_con.company.value=="") {
		alert("Please type your company name.");
		document.frm_con.company.focus();
		valid = false;
	}
	else if(document.frm_con.country.value=="") {
		alert("Please type your country name.");
		document.frm_con.country.focus();
		valid = false;
	}
	else if(document.frm_con.subject.value=="") {
		alert("Please type your massage subject.");
		document.frm_con.subject.focus();
		valid = false;
	}
	else if(document.frm_con.message.value=="") {
		alert("Please type your message.");
		document.frm_con.message.focus();
		valid = false;
	}

	return valid;
}