function addToFavorites() 
	{ 
		var urlAddress = "http://www.sqlguides.com/"; 
		var pageName = "SQLGuides.com"; 
		if (window.external) 
			{ window.external.AddFavorite(urlAddress,pageName) } 
		else { alert("Sorry! Your browser doesn't support this function."); 
} 
} 

function popitup(url, dname, dwidth, dheight)
{
	newwindow=window.open(url, dname, 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=0,width=' + dwidth + ',height=' + dheight + ',left = 212,top = 134');
}

//Navigation rollover
function NavIn(menItem) {
	menItem.style.borderColor='#999999'; 
	menItem.style.backgroundColor='#7C8DA7';
}

function NavOut(menItem) {
	menItem.style.borderColor='#336699'; 
	menItem.style.backgroundColor='#336699';
}

function NavCat(menItem) {
	menItem.style.borderColor='#FFFFFF'; 
	menItem.style.backgroundColor='#FFFFFF';
}
function validate(){

var name = document.myform.name.value;
var email = document.myform.email.value;
var comments = document.myform.comments.value;
var emailRegxp = /^([\w]+)(.[\w]+)*@([\w]+)(.[\w]{2,3}){1,2}$/;
var nameRegxp = /^([a-zA-Z]+)$/;
var commentsRegxp = /^([a-zA-Z]+)$/;

if (name.length==0) 
	{
	alert("name is Empty!");
	document.myform.name.focus();
	return false;
	}
if (email.length==0) 
	{
	alert("Email is Empty!");
	document.myform.email.focus();
	return false;
	}
if (emailRegxp.test(email) != true)
	{
	alert("Email appears to be incorrect");
	document.myform.email.focus();
	return false;
	}
if (comments.length==0)
	{
	alert("Comment is Empty!");
	document.myform.comments.focus();
	return false;
	}
return true;
}