// JavaScript Document
//create onDomReady Event
var pcent = 0;
var topB = 50;

function grossir()
{
	var the_style = getStyleObject('back_anim');
	pcent += 10;
	topB -= 5;
	
	the_style.display = "block";
	the_style.height = pcent + "%";
	the_style.top = topB + "%";
	
	
	if (pcent != 100 )
	{
		window.setTimeout(grossir,10)
	} 
} 

function getStyleObject(objectId) {
    // cross-browser function to get an object's style object given its
    if(document.getElementById && document.getElementById(objectId)) {
	// W3C DOM
	return document.getElementById(objectId).style;
    } else if (document.all && document.all(objectId)) {
	// MSIE 4 DOM
	return document.all(objectId).style;
    } else if (document.layers && document.layers[objectId]) {
	// NN 4 DOM.. note: this won't find nested layers
	return document.layers[objectId];
    } else {
	return false;
    }
}