// From http://www.tek-tips.com/faqs.cfm?fid=4862

function addOnloadEvent(fnc){
	if ( typeof window.addEventListener != "undefined" ) {
		window.addEventListener( "load", fnc, false );
	} else if ( typeof window.attachEvent != "undefined" ) {
		window.attachEvent( "onload", fnc );
	} else {
		if ( window.onload != null ) {
			var oldOnload = window.onload;
			window.onload = function ( e ) {
				oldOnload( e );
				window[fnc]();
			};
		} else {
			window.onload = fnc;
		}
	}
}

// Examples:
// addOnloadEvent(myFunctionName);
// Or to pass arguments
// addOnloadEvent(function(){ myFunctionName('myArgument') });