function swaptitle(layername) {
parent.topframe.MM_showHideLayers('titlelayer1','','hide');
parent.topframe.MM_showHideLayers('titlelayer2','','hide');
parent.topframe.MM_showHideLayers('titlelayer3','','hide');
parent.topframe.MM_showHideLayers('titlelayer4','','hide');
parent.topframe.MM_showHideLayers('titlelayer5','','hide');
parent.topframe.MM_showHideLayers(layername,'','show');
}

function checkframes() {
	
// checks to see if this page has been loaded as part of a frameset
//  if not, redirects to the parent page

  var w = parent.frames.length;

   if (w == 0) location.replace('index.htm');
}



function openwindow(url, name,w,h) {

//  Opens a New Window to the required size and displays a given page

var w = window.open(url,name,
"width=" + w + ",height=" + h + ",status=yes,resizable,scrollbars");
}