/***********************************************
* Rollover Button
***********************************************/	
var W3CDOM = (document.createElement && document.getElementsByTagName);

var mouseOvers = new Array();
var mouseOuts = new Array();

window.onload = init;

function init()
{
	if (!W3CDOM) return;
	var nav = document.getElementById('mouseovers');
	var imgs = nav.getElementsByTagName('img');
	for (var i=0;i<imgs.length;i++)
	{
		imgs[i].onmouseover = mouseGoesOver;
		imgs[i].onmouseout = mouseGoesOut;
		var suffix = imgs[i].src.substring(imgs[i].src.lastIndexOf('.'));
		mouseOuts[i] = new Image();
		mouseOuts[i].src = imgs[i].src;
		mouseOvers[i] = new Image();
		mouseOvers[i].src = imgs[i].src.substring(0,imgs[i].src.lastIndexOf('.')) + "_on" + suffix;
		imgs[i].number = i;
	}
}

function mouseGoesOver()
{
	this.src = mouseOvers[this.number].src;
}

function mouseGoesOut()
{
	this.src = mouseOuts[this.number].src;
}

/***********************************************
* Form validation
***********************************************/	
function validate(){
	if(document.myform.ename.value==""){
		alert("Please enter a name")
		document.myform.ename.focus()
		return false;
	}
else if(document.myform.subject.value==""){
		alert("Please enter a subject")
		document.myform.subject.focus()
		return false;
	}
else if((document.myform.eemail.value.indexOf("@")==-1)||(document.myform.eemail.value.indexOf(".")==-1)){
		alert("Please enter a valid email address")
		document.myform.eemail.focus()
		return false;
	}
else if(document.myform.comment.value==""){
		alert("Please enter a comment")
		document.myform.comment.focus()
		return false;
	}
return true
}

function simpl_validate(){
if((document.maillist.email.value.indexOf("@")==-1)||(document.maillist.email.value.indexOf(".")==-1)){
		alert("Please enter a valid email address")
		document.maillist.email.focus()
		return false;
	}
return true
}