// JavaScript Document
var NUM = 0;

function IMAGECHANGE(theID, theDIRECTORY, theMAX, thePC){
NUM += thePC;
if(NUM < theMAX){
document.getElementById("nextbutton").style.visibility = "visible";
}else{
document.getElementById("nextbutton").style.visibility = "hidden";
}
if(NUM >= 1){
document.getElementById("prevbutton").style.visibility = "visible";
}else{
document.getElementById("prevbutton").style.visibility = "hidden";
}
document.getElementById(theID).style.backgroundImage="url(../images/img-gallery/photogallery/" + theDIRECTORY + NUM +".jpg)";

var elements = document.getElementById("photolist").getElementsByTagName("li");
	for(E=0;E<elements.length;E++){
		elements[E].className = "";
	}
		document.getElementById("thum_"+NUM).className = "ph-now";
}

function IMAGECHANGEDIRECT(theID, theDIRECTORY, theMAX, thePN){
NUM = thePN;
if(NUM < theMAX){
document.getElementById("nextbutton").style.visibility = "visible";
}else{
document.getElementById("nextbutton").style.visibility = "hidden";
}
if(NUM >= 1){
document.getElementById("prevbutton").style.visibility = "visible";
}else{
document.getElementById("prevbutton").style.visibility = "hidden";
}
document.getElementById(theID).style.backgroundImage="url(../images/img-gallery/photogallery/" + theDIRECTORY + NUM +".jpg)";
var elements = document.getElementById("photolist").getElementsByTagName("li");
	for(E=0;E<elements.length;E++){
		elements[E].className = "";
	}
		document.getElementById("thum_"+thePN).className = "ph-now";
}