//<--//



var refWindow;



var Winref = 0;




function open_window(reference, w, h ) {




 var path = reference;




	if (Winref == 1) {




		 if (refWindow.closed) {




			refWindow = open (path,target='preview','toolbar=no,menubar=no,scrollbars=no,resizable=yes,width='+w+',height='+h);       




			Winref = 1;




      		 } else {




			refWindow.focus();




			refWindow.location = path;




	   	 }




	} else {




		refWindow = open (path,target='preview','toolbar=no,menubar=no,scrollbars=no,resizable=yes,width='+w+',height='+h);     




	Winref = 1;




	}




}




//-->









//<a href='javascript:preview(page, widht, height)