var selectedPage = 1;
var selectedPic = 1;
function changePic(obj){
	var id = obj.id;	
	var number = parseInt(id.substr(3));
	selectedPic = number;	
	var bigPicObj = document.getElementById("galeryBigPicture");	
	var bigPic = parseInt((selectedPage -1)*15) + parseInt(number);
	bigPicObj.src = "images/gallery/Big/Gallery_" + bigPic + "_Big.jpg";	
	for (i=1; i<16; i++){
		document.getElementById("gtd" + i).className="";
	}
	document.getElementById("gtd" + selectedPic).className="galeryOver";

}

function mouseOvr(obj){
	var id = obj.id;
	var number = id.substr(3);
	if (number != selectedPic)
		document.getElementById("gtd" + number).className="galeryOver";

}

function mouseOut(obj){
	var id = obj.id;
	var number = id.substr(3);
	if (number != selectedPic)
		document.getElementById("gtd" + number).className="";

}

function changePage(page){
	selectedPage = page;
	for (i=1; i < 5; i++){
		var currentLink = document.getElementById("lnk" + i);
		if (i == page)
			currentLink.className = "red1";
		else
			currentLink.className = "red2";
	}
	for (i=1; i<16; i++){
		number = (page-1)*15+i;
		document.getElementById("s" + i).src="images/gallery/Small/Gallery_" + number + "_Small.jpg";;
	}
	changePic(document.getElementById("gtd1"));
}