var total_divs	=	0;
var current_pos	=	0;
var step	=	1;
var div_width	=	0;
var scroll_div	=	"";
var base_url	=	"";

function gallery_init(divs, width, scroll, url){

	total_divs	=	divs;
	
	div_width	=	width;
	
	scroll_div	=	scroll;
	
	base_url	=	url;
	
	if(step == total_divs){
		
		$jq("#next").attr("src", base_url+"/images/next_2_off.png");
	
	}
	
}

function gallery_next(){
	
	if((step + 1) <= total_divs){ 
		
		step++;
		
		current_pos	+=	div_width;
	
		$jq("#"+scroll_div).animate({ left: "-"+current_pos+"px" });
		
		$jq("#prev").attr("src", base_url+"/images/prev_2.png");
	
	}
	
	if(step == total_divs){
		
		$jq("#next").attr("src", base_url+"/images/next_2_off.png");
	
	}

}

function gallery_prev(){
	
	if(step > 1){ 
		
		step--;
		
		current_pos	-=	div_width;
	
		$jq("#"+scroll_div).animate({ left: "-"+current_pos+"px" });
		
		$jq("#next").attr("src", base_url+"/images/next_2.png");
	
	}
	
	if(step == 1){
		
		$jq("#prev").attr("src", base_url+"/images/prev_2_off.png");
	
	}

}

function gallery_click(image){

	if(image != $jq("#foto_frame").attr("src")){

		$jq("#foto_frame").fadeOut("fast", function(){ $jq("#foto_frame").attr("src", image); });
	
		$jq("#foto_frame").fadeIn("fast");

	}

}