//Global variable
var PopUp;

/*************************************************************
This function creates new window(PopUp).

*************************************************************/
function pop_up_large(html_document) 
{
	//Fills variable PopUpString with parameters for popUpwindow 
	var PopUpString =
         "toolbar=no,location=no,directories=no,status=no," +
	 "width=750,height=555," +
         "menubar=no,scrollbars=no,resizable=yes"
         	
	
	
	PopUp = window.open(html_document,"HeritageLink", PopUpString);
	
	

}