function popup(url, width, height, scroll) {

	var popupWindow;
	
	if(scroll) {
		popupWindow = window.open(url, '','width=100,height=100,scrollbars');
	} else {
		popupWindow = window.open(url, '','width=100,height=100');
	}
	
	// Move to window centre
	popupWindow.moveTo((screen.width-width)/2,(screen.height-height)/2);
	
	// resize window and brint to font
	popupWindow.resizeTo(width,height);
	popupWindow.focus();
	


}


function toggleActiveSelect(selectOne, selectTwo, whichOne) 
{
	if (whichOne == 1) 
	{
		selectOne.disabled = false;
		selectTwo.disabled = true;
	} 
	else if (whichOne == 2) 
	{
		selectOne.disabled = true;
		selectTwo.disabled = false;
	}
}