// JavaScript Document
//applies the 'sfhover' class to li elements in the 'nav' id'd ul element when they are 'moused over' and removes it, using a regular expression, when 'moused out'.

sfHover = function() {
	var sfEls = document.getElementById("nav").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);

function isValidEmail(str) {
	if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(str)){
		return true;
	}
	else {
		return false;
	}
}

function checkenquiry(){
	var ftxt = '';
	
	if (document.enquiry.Telephone.value==''){
		ftxt += '\n- Please enter your Telephone Number.';
	}
	
	if (isValidEmail(document.enquiry.Email.value)==false){
		ftxt += '\n- Please enter your Email Address.';
	}
	
	if (ftxt!==''){
		alert('One or more errors were found while submitting this form. The errors found are displayed below.\n' + ftxt + '\n\nPlease correct the above errors and try again.');
		return false;
	}
	else {
		return true;
	}
}