/****************************************************************************
	* Creation date :-> 07-05-2009 [dd-mm-yyyy]
	* Last update   :-> 18-05-2009 [dd-mm-yyyy]
	* Author        :-> Antonio Magdic  <antonio@eburza.hr>
	***/


function GetHeight() {
	var y = 0;
	if (self.innerHeight) {
		y = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) {
		y = document.documentElement.clientHeight;
	} else if (document.body) {
		y = document.body.clientHeight;
	}
	return y;
}

function CenterBody() {
	var i = GetHeight();
	if(i>640) {
		document.body.style.marginTop = parseInt((i-640)/2) + 'px';
	}
}