var QueryString = new Array();
QueryString["_"]="";

function unspace( qs_element ) {
 return qs_element.split( '+' ).join( ' ' );
 }
 
if ( location.search.length > 1 ) 
{
      var qs_query = location.search.substring( 1, location.search.length );
      var qs_pairs = qs_query.split( '&' );
   
    for ( var qs_index = 0; qs_index < qs_pairs.length; qs_index++ ) 
    {
	  var qs_element = qs_pairs[qs_index].split( '=' );
        QueryString[qs_element[0]] = unspace( unescape( qs_element[1] ) );
    }
 }
	 

function showHide ( name, m )
{
   document.getElementById(name).style.display=(m?'block':'none'); 
}

function isVisible ( name )
{
    return !(document.getElementById(name).style.display=='none');
}

function ImageWindow(image_name, w, h)
{
	win_params = "";
	win_params += ",width=" + (w+2*20);
	win_params += ",height=" + (h+2*20);
	
	win = open("", "", win_params);
	
	win.document.open();
	win.document.write("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\"> \n\n");
	win.document.write("<html style=\"padding:0; margin:0; height:100%;\"> \n");
	win.document.write("<body style=\"padding:0; margin:0; height:100%; background: url(" + image_name + ") no-repeat center;\"> \n");
	win.document.write("</body> \n");
	win.document.write("</html> \n");
	win.document.close();
}