var sublast;

function newwindow(winUrl, winHeight, winWidth)
{
	var winl = (screen.width - winWidth) / 2;
    	var wint = (screen.height - winHeight) / 2;
	window.open(winUrl,"","scrollbars=no,resizable=no,height="+winHeight+",width="+winWidth+",top="+wint+",left="+winl);
}

function verifyAction(linkURL)
{
	var yesNo;
	yesNo = confirm("Are you sure?");
	if(yesNo)
	{
		document.location.href = linkURL;		
	}
}

function subglobal(num)
{
	if (num != sublast)
	{
		if (document.getElementById('subglobal'+num) != false)
			document.getElementById('subglobal'+num).style.display = "block";

		if (sublast != null)
			document.getElementById('subglobal'+sublast).style.display = "none";
			
		sublast = num;
	}
}