// preload level 1 menu buttons
var btnLevel1 = new Array();
btnLevel1 = ["","portraiture","weddings","about","contact","home"];
for (i=0;i<btnLevel1.length;i++) { 
	eval("A"+i+"on = new Image();"); eval("A"+i+"off = new Image();");
	eval("A"+(i)+"on.src = \"img/l1-"+btnLevel1[i]+"-r.gif\";");
	eval("A"+(i)+"off.src = \"img/l1-"+btnLevel1[i]+"-0.gif\";");
}

// image-swapping function
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"); 
	}
  }
}