function mainmenu(){
	$(" #nav ul").css({display: "none"}); // Opera Fix
	$(" #nav li").hover(function(){
			$(this).find('ul:first').css({visibility: "visible",display: "none"}).show(0);
			},function(){
			$(this).find('ul:first').css({visibility: "hidden"});
			});
}
$(document).ready(function(){
	mainmenu();
});
function showHide(HID,IMG) {
	if (document.getElementById(IMG).src.indexOf('expand') != -1) {
		document.getElementById(IMG).src='images/collapse.gif';
		document.getElementById(HID).className='visibleRow';
	}
	else {
		document.getElementById(IMG).src='images/expand.gif';
		document.getElementById(HID).className='hiddenRow';
	}
};
function validateForm(myForm) {
	with (myForm) {
		if (validateRequired(name,"Name must be filled out!")==false) {
			name.focus();
			return false;
		}
		if (validateRequired(email,"Email must be filled out!")==false) {
			email.focus();
			return false;
		}
		if (validateEmail(email,"Email address not valid!")==false) {
			email.focus();
			return false;
		}
		if (validateRequired(comments,"Comments must be filled out!")==false) {
			comments.focus();
			return false;
		}
	}
}
function validateRequired(field,alerttxt) {
	with (field) {
		if (value==null||value=="") {
			alert(alerttxt);
			return false;
		}
		else {
			return true;
		}
	}
}
function validateEmail(field,alerttxt) {
	with (field) {
		apos = value.indexOf("@");
		dotpos = value.lastIndexOf(".");
		if (apos<1||dotpos-apos<2) {
			alert(alerttxt);
			return false;
		}
		else {
			return true;
		}
	}
}