var ImgLength, ImgNum, h, run;
var NewImg	= new Array;
var delay	= 3000;
var lock	= false;
var patch	='../imagens/galeria/grande/';
var	qtd		= 0;

function user_click(i){
	ImgNum = i;
}

function auto() {
	var bt_playPause		= controle.document.getElementById('bt_playPause')
	
	if (lock == true) {
		lock				= false;
		bt_playPause.value	= 'Play';
		window.clearInterval(run);
	}
	else if (lock == false) {
		lock				= true;
		bt_playPause.value	= 'Pause';
		run					= setInterval("chgImg(1)", delay);
	}
}



/*busca não esta sendo utilizada*/
function cria_array(fotos,host) {
	h			= host;
	NewImg		= fotos.split("-");
	ImgLength	= NewImg.length - 1;
}

function chgImg(direction) {
	ImgNum = ImgNum + direction;
	if (document.images) {	
		if (ImgNum > ImgLength) {
			ImgNum = 0;
		}
		if (qtd == 0 && direction == 1){
			ImgNum	= 1;	
		}
		if (ImgNum < 0 ) {
			ImgNum = ImgLength;
		}
		
		var img		= ampli.document.getElementById('slideshow');
		img.src		= patch + NewImg[ImgNum];
	}
	qtd++;
}