if (document.images) {
	logoon = new Image(150,89);
	logoon.src = "../images/global/tr_logo_on.gif";
	logooff = new Image(150,89);
	logooff.src = "../images/global/tr_logo_off.gif";
}

 function fixNN() {
 	if (document.layers) {
 		location.reload();	
 	} else {
 		return;	
 	}
 }
 
 window.onresize = fixNN;
 
  function buildSpacer(difference,depth) {
	//set default depth if none given
	if (!depth) {
		depth = '';
	}
	if (document.layers) {
		var windowWidth = window.innerWidth;
		var width = windowWidth - difference;
		var spacer = '<img src="'+ depth +'images/spacer.gif" alt=" " width="' + width +'" height="1" class="spacer" />';
		return spacer;
	} else {
		var spacer = '<img src="'+ depth +'images/spacer.gif" alt=" " width="1" height="1" class="tcImage" />';
		return spacer;
	}
}

function imgOn(imgName) {
	if (document.images) {
     		 onImage = eval(imgName + "on.src");
     		 document[imgName].src = onImage;
    	}
 }

function imgOff(imgName) {
   	if (document.images) {
    		  offImage = eval(imgName + "off.src");
     		  document[imgName].src = offImage;
   	 }
 }