OnLoad In Java Script

This event occurs when the web page gets loaded, this event should be typed in body tag of document.
 
Example:
 
<html>

<head>

<title>events </title>

</head>

<body bgcolor=green text=”white” onload=”wel()”>

<marquee direction=up behavior=alternate scrollamount=5 size=0>

<h1 align=center> Welcome </h1>

</marquee>

<script>

function wel()

{

document.bgColor=’yellow’

document.fgColor=’blue’

}

</script>

</body>

</html>