var imceRefererWin, imceRefererField, imceRefererType, imceRefererURL;
function browseForFile(url, fieldToFill)
{
	imceRefererWin = window;
	imceRefererField = fieldToFill;
	imceRefererType = 'file';
	imceRefererURL = fieldToFill.value;
	var imcePopup = window.open(url, '', 'width=560, height=440, resizable=no, scrollbars=yes');
	imcePopup.focus();
}

function popWindow(url, width, height, target)
{
    //get center coords
    var left = (screen.width - width) / 2;
    var top = (screen.height - height) / 2;
    
    var win = window.open(url, target, 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=' + width + ',height=' + height + ',left=' + left + ',top=' + top);
	win.focus();
}