var sections = ["home", "sculpture", "portraits", "monuments", "exhibitions", "contact"];
for (var i=0; i < sections.length; i++) {
  eval(sections[i] + '1 = new Image(114,30)');
  eval(sections[i] + '1.src = "images/menu_' + sections[i] + '1.gif"');
  eval(sections[i] + '2 = new Image(114,30)');
  eval(sections[i] + '2.src = "images/menu_' + sections[i] + '2.gif"');
}

function switchImage(imgDocID,imgObjName){
	document[imgDocID].src = eval(imgObjName + ".src");
}