var availableSizes = new Array('x-small','small','medium','large');
var rememberSize = 1;

function chgSize(BigOrSmall) {
	if (!document.getElementById) return
	var d = document,pageEl = null,currentSize = rememberSize,j,tdToUpdate,pToUpdate;
		
	currentSize += BigOrSmall;
	if (currentSize <= 0) {
		currentSize = 0;
	} else if (currentSize >= 3) {
		currentSize = 3;
	}
	rememberSize = currentSize;
		
	pageEl = d.getElementById('SizeChange');
	pageEl.style.fontSize = availableSizes[currentSize];

	tdToUpdate = pageEl.getElementsByTagName('td');
	for (j=0; j<tdToUpdate.length; j++) {
		tdToUpdate[j].style.fontSize = availableSizes[currentSize];
	}
	pToUpdate = pageEl.getElementsByTagName('p');
	for (j=0; j<pToUpdate.length; j++) {
		pToUpdate[j].style.fontSize = availableSizes[currentSize];
	}
}

function openNewWindow(urlToOpen, windowName, winWidth, winHeight){
	windowLeft = Math.round((screen.width - winWidth) / 2 );
	windowTop = Math.round((screen.height - winHeight) / 2);
	windowSettings = '"toolbar=no,directories=no,menubar=no,scrollbars=no,resizable=no,status=no,width='+winWidth+',height='+winHeight+',left='+windowLeft+',top='+windowTop+'"';
	theWindow = window.open(urlToOpen, windowName, windowSettings);
	theWindow.focus();
}