function centerVert() {
		var myWidth = 0, myHeight = 0;
		if( typeof( window.innerWidth ) == 'number' ) {
			//Non-IE
			myWidth = window.innerWidth;
			myHeight = window.innerHeight;
		  	} 
			
		else {
			if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
			//IE 6+ in 'standards compliant mode'
			myWidth = document.documentElement.clientWidth;
			myHeight = document.documentElement.clientHeight;
			} 
				
			else {
			  	if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
					//IE 4 compatible
					myWidth = document.body.clientWidth;
					myHeight = document.body.clientHeight;
			  		}
				}
		  	}
		availHeight = eval(myHeight-555);
		spacerHeight = eval(availHeight/2);
		if (spacerHeight < 1) {
			spacerHeight=1;
			}
		if (document.all) { 
			domSpacer = document.all['spacer'];
			}
		else { 
			domSpacer = document.getElementById('spacer');
			}
			
		domSpacer.style['height']=spacerHeight;
		}
		
	function redo() {
			window.location.reload();
			}