function form_tip(id,text) {
	document.getElementById(id).innerHTML=text;
}
function checkMail(e) {
	var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	if (filter.test(e)) {
		return false;
	} else {
		return true;
	}
}
function jumpBox(form) {
	var url=form.options[form.selectedIndex].value
	location.href=url;
}
function val_fs_f(f) {
	var msg="";
	if(f.y_n.value=="") msg += "You must supply your name!<br />";
	if(f.y_e.value=="") msg += "You must supply your email!<br />";
	if(checkMail(f.y_e.value)==true) msg+= "Your email must be a valid one!<br />";
	if(f.f_n.value=="") msg += "You must supply your friends name!<br />";
	if(f.f_e.value=="") msg += "You must supply your friends email!<br />";
	if(checkMail(f.f_e.value)==true) msg+= "Your friends email must be a valid one!<br />";
	if(msg!="") {
		document.getElementById('err').innerHTML=msg;
		alert('Please correct the errors detailed on the page');
	} else {
		f.submit();
	}
}
function val_rqc_f(f) {
	var msg="";
	if(f.y_n.value=="") msg += "You must supply your name!<br />";
	if(f.y_e.value=="") msg += "You must supply your email!<br />";
	if(checkMail(f.y_e.value)==true) msg+= "Your email must be a valid one!<br />";
	if(f.msg.value=="") msg += "You must supply a message!<br />";
	if(msg!="") {
		document.getElementById('err').innerHTML=msg;
		alert('Please correct the errors detailed on the page');
	} else {
		f.submit();
	}
}