var num_img=new Array();

function swap (id) {
	file_name=document.getElementById(id).src
	
	if (!file_name.match("-over")) {
		new_file = file_name.replace(/(.*?)\.(\w+)$/, "$1-over.$2");
	} else {
		new_file = file_name.replace(/(.*?)-over\.(\w+)$/, "$1.$2");
	}
	document.getElementById(id).src=new_file
}
function onglet (show,hide) {
	document.getElementById(show).style.display="block";
	document.getElementById(hide).style.display="none";
	file_name=document.getElementById("ong_"+show).src
	//alert(file_name);
	if (!file_name.match("-on")) {
		switch_ong("ong_"+hide);
		switch_ong("ong_"+show);
	};
}

function switch_ong (id) {
	file_name=document.getElementById(id).src
	if (!file_name.match("-on")) {
		new_file = file_name.replace(/(.*?)-off\.(\w+)$/, "$1-on.$2");
	} else {
		new_file = file_name.replace(/(.*?)-on\.(\w+)$/, "$1-off.$2");
	}
	document.getElementById(id).src=new_file
}

function my_head (cat) {
	if (cat!=null) {
		document.getElementById("folio_head").className="folio_head";
		document.getElementById('type_head').innerHTML=cat;
	} else {
		document.getElementById("folio_head").className="";
		document.getElementById('type_head').innerHTML="";
	}
}

function folio_preload() {
	var i=0;
	preload_image_object = new Image();
	for(i=0; i<num_img.length; i++){
		preload_image_object.src = num_img[i];
	}
}

function show_pic(actu_image,nb_img,direction) {
	if (direction=='ff'){
		if(actu_image<nb_img-1) {
		image=actu_image+1
		
		} else {
			image=0;
			image2=1;
		}
	} else if (direction=='rew') {
		if(actu_image>0) {
			image=actu_image-1
			
		} else {
			image=nb_img-1;
		}
	}
	document.getElementById("image_box1").style.backgroundImage="url("+num_img[image]+")";
	if (image2!=null) {
		document.getElementById("image_box2").style.backgroundImage="url("+num_img[image2]+")";
	} else {
		document.getElementById("image_box2").style.backgroundImage="none";
	}
	//document.getElementById('type_head').innerHTML=num_img[image]+" // "+num_img[image2];
	//document.getElementById('type_head').innerHTML=image+" // "+image2;

}

function loading () {
	document.getElementById("load").style.display="block";
}

function loaded () {
	document.getElementById("load").style.display="none";
}