// JavaScript Document
function center() {
	
	var myHeight = 0;
	if( typeof( window.innerWidth ) == 'number' ) {
		
		//Non-IE
		myHeight = window.innerHeight;
		
	} else if( document.documentElement && (document.documentElement.clientHeight ) ) {
		
		//IE 6+ in 'standards compliant mode'
		
		myHeight = document.documentElement.clientHeight;
		
	} else if( document.body && (document.body.clientHeight ) ) {
		
		//IE 4 compatible
		
		myHeight = document.body.clientHeight;
		
	}
		
	document.getElementById('wrapper').style.top  = (myHeight - 575) / 2  + 'px';
	
}