function OpenNewWindow(url,nWidth,nHeight)
	{
	var ns4 = (document.layers)? true:false;		//NS 4
	var ie4 = (document.all)? true:false;			//IE 4
	var dom = (document.getElementById)? true:false;	//DOM
	var xMax, yMax, xOffset, yOffset;

	if (ie4 || dom)
		{
		xMax = screen.width;
		yMax = screen.height;
		}
	else if (ns4)
		{
		xMax = window.outerWidth;
		yMax = window.outerHeight;
		}
	else
		{
		xMax = 800;
		yMax = 600;
		}
	xOffset = (xMax - nWidth)/2;
	yOffset = (yMax - nHeight)/2;
	
var Win = window.open(url,"OpenNewWindow","HEIGHT="+nHeight+",WIDTH="+nWidth+",screenX="+xOffset+",screenY="+yOffset+",top="+yOffset+",left="+xOffset+",scrollbars=no,resizable=no");

	}