function popup(theURL,winName,features) { 
  window.open(theURL,winName,features);
}
if (document.images) {	
	image1on = new Image();
	image1on.src = "../img/new_up.gif";
		
	image2on = new Image();
	image2on.src = "../img/pre_up.gif";
		
	image3on = new Image();
	image3on.src = "../img/smp_up.gif";
	
	image4on = new Image();
	image4on.src = "../img/agent_up.gif";
		
	
		
	image1off = new Image();
	image1off.src = "../img/new_dw.gif";
		
	image2off = new Image();
	image2off.src = "../img/pre_dw.gif";
		
	image3off = new Image();
	image3off.src = "../img/smp_dw.gif";
		
	image4off = new Image();
	image4off.src = "../img/agent_dw.gif";
}

function changeImages() {
  if (document.images) {
    for (var i=0; i<changeImages.arguments.length; i+=2) {
      document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
    }
  }
}
function popup(theURL,winName,features) { 
  window.open(theURL,winName,features);
}