/////////////////////////////////////////////////
/// FILE: catalogue.js
/// WHAT: catalogue pictures gallery script
/// WHEN: 16.07.07
/// BY: RENARS
/////////////////////////////////////////////////

var active = 1;
var picArray = Array();

// function that sets gallery
function setGallery(gallery_type, last) {

	for(cnt = 1; cnt <= last; cnt++) {
		picArray[cnt] = "../galpics/" + gallery_type + "/" + cnt + ".jpg";
	}
}

// next picture
function nextPic(last) {
	parseInt(active++);
	if (active >= last) {
		active = last;
	} 

	document.getElementById("active").src = picArray[active];
}

//previous picture
function prevPic() {

	parseInt(active--);
	if(active < 1) {
		active = 1;
	}

	document.getElementById("active").src = picArray[active];
}

//first picture
function firstPic() {

	active = 1;
	document.getElementById("active").src = picArray[active];

}

//last picture
function lastPic(last) {

	active = last;
	document.getElementById("active").src = picArray[active];
}