/* Set global variables */
var IndexListWindow = null;

window.onunload = function()
{
	ClosePopup();
}

function LaunchIndexPopup(Url)
{
	//popup screen position
	var left = -1;
	var top = -1;
	//popup dimensions
	var w = 442;
	var h = 500;
	
	var x, y;
	
	//Set popup position
	if (left == -1)
	{
		//center horizontally
		x = (screen.width)?(screen.width-w)/2:100;
	}
	else
	{
		x = left;
	}
	if (y == -1)
	{
		//center vertically
		y = (screen.height)?(screen.height-h)/2:100;
	}
	else
	{
		y = top;
	}
	
	var Settings = "width=" + w + ",height=" + h + ",top=" + y + ",left=" + x + ",scrollbars=no,location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=yes,dependent=no";
	
	//open new window for index list
	IndexListWindow = window.open(Url,'IndexList',Settings);
	IndexListWindow.focus();
	
}

function ClosePopup()
{

	if (IndexListWindow != null)
	{
			IndexListWindow.close();
	}

}