ie4 = ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4 ));
nn4 = ((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 4 ));

function msover(x){

	if (ie4){
  		event.srcElement.style.color="red";
  		event.srcElement.style.cursor = "hand";
  	}
}

function msout(x){

	if (ie4){
  		event.srcElement.style.color="";
  		event.srcElement.style.cursor = "auto";
  	}
}

function preloadImages() { //v1.2
  if (document.images) {
    var imgFiles = preloadImages.arguments;
    var preloadArray = new Array();
    for (var i=0; i<imgFiles.length; i++) {
      preloadArray[i] = new Image;
      preloadArray[i].src = imgFiles[i];
    }
  }
}
function swapImage() { //v1.2
  var i,j=0,objStr,obj,swapArray=new Array,oldArray=document.swapImgData;
  for (i=0; i < (swapImage.arguments.length-2); i+=3) {
    objStr = swapImage.arguments[(navigator.appName == 'Netscape')?i:i+1];
    if ((objStr.indexOf('document.layers[')==0 && document.layers==null) ||
        (objStr.indexOf('document.all[')   ==0 && document.all   ==null))
      objStr = 'document'+objStr.substring(objStr.lastIndexOf('.'),objStr.length);
    obj = eval(objStr);
    if (obj != null) {
      swapArray[j++] = obj;
      swapArray[j++] = (oldArray==null || oldArray[j-1]!=obj)?obj.src:oldArray[j];
      obj.src = swapImage.arguments[i+2];
  } }
  document.swapImgData = swapArray; //used for restore
}
function swapImgRestore() { //v1.2
  if (document.swapImgData != null)
    for (var i=0; i<(document.swapImgData.length-1); i+=2)
      document.swapImgData[i].src = document.swapImgData[i+1];
}

preloadImages('images/nav_on_menu.gif' , 'images/nav_on_banquet.gif',
              'images/nav_on_catering.gif', 'images/nav_on_reviews.gif',
              'images/nav_on_home.gif', 'images/nav_on_promotions.gif');