function fPopUpWin(filename,prop_w,prop_h,prop_l,prop_t) 
{
	
	var features =
		'dialogWidth:'  + prop_w + 'px;' +
		'dialogHeight:' + prop_h + 'px;' +
		'dialogLeft:'   + prop_l + 'px;' +
		'dialogTop:'    + prop_t + 'px;'+
		'directories:yes; localtion:yes; menubar:no; status=no; toolbar=no;scrollbars:no;Resizeable=no';

    
    window.showModalDialog(filename,"NewWindow",features);
}