// ----------------------------------------------------------------
//    Copyright e-point.S.A.
// ----------------------------------------------------------------

var mainWin = null;
function PopUp(page, width, height, windowName) {

    var scrWidth;
    var scrHeight;

    if(bv.nav4) {
	scrWidth = screen.width;
	scrHeight = screen.height;
    } else {
	scrWidth = screen.width;
	scrHeight = screen.height;
    }

    if (!width) {
	width=scrWidth-20;
    }

    if (!height) {
	height=scrHeight-80;
    }

    if (windowName == '') {
	windowName = "_blank"
    }

    if(!mainWin || mainWin.closed) {
	mainWin = window.open ("", windowName, 'top='+(scrHeight-height-40)/2+',left='+(scrWidth-width-10)/2 +
			       ',toolbar=no,directories=no,location=no,status=no,menubar=no,scrollbars=yes' +
			       ',resizable=yes,width='+width+',height='+height);
    }

    mainWin.document.location.href=page;
    mainWin.focus();
}