function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

  if (document.images) {
  n_arch_f2 = new Image(114 ,15); n_arch_f2.src = "images/n_arch_f2.gif";
  n_arch_f1 = new Image(114 ,15); n_arch_f1.src = "images/n_arch.gif";
  n_nature_f2 = new Image(114 ,15); n_nature_f2.src = "images/n_nature_f2.gif";
  n_nature_f1 = new Image(114 ,15); n_nature_f1.src = "images/n_nature.gif";
  n_photo_f2 = new Image(114 ,15); n_photo_f2.src = "images/n_photo_f2.gif";
  n_photo_f1 = new Image(114 ,15); n_photo_f1.src = "images/n_photo.gif";
  n_port_f2 = new Image(114 ,15); n_port_f2.src = "images/n_port_f2.gif";
  n_port_f1 = new Image(114 ,15); n_port_f1.src = "images/n_port.gif";

  n_arch_pop_f5 = new Image(125 ,98); n_arch_pop_f5.src = "images/n_arch_pop_f5.gif";
  n_arch_pop_f4 = new Image(125 ,98); n_arch_pop_f4.src = "images/n_arch_pop_f4.gif";
  n_arch_pop_f3 = new Image(125 ,98); n_arch_pop_f3.src = "images/n_arch_pop_f3.gif";
  n_arch_pop_f2 = new Image(125 ,98); n_arch_pop_f2.src = "images/n_arch_pop_f2.gif";
  n_arch_pop_f1 = new Image(125 ,98); n_arch_pop_f1.src = "images/n_arch_pop.gif";

  n_nat_pop_f5 = new Image(125 ,98); n_nat_pop_f5.src = "images/n_nat_pop_f5.gif";
  n_nat_pop_f4 = new Image(125 ,98); n_nat_pop_f4.src = "images/n_nat_pop_f4.gif";
  n_nat_pop_f3 = new Image(125 ,98); n_nat_pop_f3.src = "images/n_nat_pop_f3.gif";
  n_nat_pop_f2 = new Image(125 ,98); n_nat_pop_f2.src = "images/n_nat_pop_f2.gif";
  n_nat_pop_f1 = new Image(125 ,98); n_nat_pop_f1.src = "images/n_nat_pop.gif";

  n_photo_pop_f4 = new Image(125 ,98); n_photo_pop_f4.src = "images/n_photo_pop_f4.gif";
  n_photo_pop_f3 = new Image(125 ,98); n_photo_pop_f3.src = "images/n_photo_pop_f3.gif";
  n_photo_pop_f2 = new Image(125 ,98); n_photo_pop_f2.src = "images/n_photo_pop_f2.gif";
  n_photo_pop_f1 = new Image(125 ,98); n_photo_pop_f1.src = "images/n_photo_pop.gif";

  n_port_pop_f3 = new Image(125 ,98); n_port_pop_f3.src = "images/n_port_pop_f3.gif";
  n_port_pop_f2 = new Image(125 ,98); n_port_pop_f2.src = "images/n_port_pop_f2.gif";
  n_port_pop_f1 = new Image(125 ,98); n_port_pop_f1.src = "images/n_port_pop.gif";

  bn_home_f2 = new Image(42 ,14); bn_home_f2.src = "images/bn_home_f2.gif";
  bn_home_f1 = new Image(42 ,14); bn_home_f1.src = "images/bn_home.gif";
  bn_about_f2 = new Image(47 ,14); bn_about_f2.src = "images/bn_about_f2.gif";
  bn_about_f1 = new Image(47 ,14); bn_about_f1.src = "images/bn_about.gif";
  bn_contact_f2 = new Image(58 ,14); bn_contact_f2.src = "images/bn_contact_f2.gif";
  bn_contact_f1 = new Image(58 ,14); bn_contact_f1.src = "images/bn_contact.gif";
  bn_ordering_f2 = new Image(87 ,14); bn_ordering_f2.src = "images/bn_ordering_f2.gif";
  bn_ordering_f1 = new Image(87 ,14); bn_ordering_f1.src = "images/bn_ordering.gif";

  more_f2 = new Image(52 ,42); more_f2.src = "images/more_f2.gif";
  more_f1 = new Image(52 ,42); more_f1.src = "images/more.gif";
  previous_f2 = new Image(52 ,42); previous_f2.src = "images/previous_f2.gif";
  previous_f1 = new Image(52 ,42); previous_f1.src = "images/previous.gif";
  }


//menu poppers

function getStyleObject(objectId) {
    // cross-browser function to get an object's style object given its id
    if(document.getElementById && document.getElementById(objectId)) {
	// W3C DOM
	return document.getElementById(objectId).style;
    } else if (document.all && document.all(objectId)) {
	// MSIE 4 DOM
	return document.all(objectId).style;
    } else if (document.layers && document.layers[objectId]) {
	// NN 4 DOM.. note: this won't find nested layers
	return document.layers[objectId];
    } else {
	return false;
    }
} // getStyleObject

function changeObjectVisibility(objectId, newVisibility) {
    // get a reference to the cross-browser style object and make sure the object exists
    var styleObject = getStyleObject(objectId);
    if(styleObject) {
	styleObject.visibility = newVisibility;
	return true;
    } else {
	// we couldn't find the object, so we can't change its visibility
	return false;
    }
} // changeObjectVisibility



function showMenu(menuNumber, eventObj) {
    //    alert(eventObj);
    hideAllMenus();
    var menuId = 'menu' + menuNumber;
    if(changeObjectVisibility(menuId, 'visible')) {
	eventObj.cancelBubble = true;
	return true;
    } else {
	return false;
    }
}

var numMenus = 4;

function hideAllMenus() {
    for(counter = 1; counter <= numMenus; counter++) {
	changeObjectVisibility('menu' + counter, 'hidden');
    }
}

// pop-up window
function popMe(url, width, height) {
    var Win = window.open(url,"popMe",'width=' + width + ',height=' + height + ',resizable=yes,scrollbars=yes,menubar=no' );
}