var scroller = 0;
var scroll_count = 1;
var scroll_kr = 0;


function FadeOut(strfct, id, old_fadeout)
{
	var fadeout = 0;

	if(old_fadeout!=undefined && old_fadeout>0)
	{
		fadeout = old_fadeout-0.05;

	}
	else
	{
		fadeout = 0.95;
	}
	
	if(fadeout>0)
	{
		document.getElementById(id).style.opacity = fadeout;
		scroller = document.getElementById(id);
		tp = Math.ceil(scroll_count*100);
		scroller.style['filter'] = 'alpha(opacity='+tp+')';
		scroller.style['-ms-filter'] = 'alpha(opacity='+tp+')';		
		setTimeout('FadeOut("'+strfct+'", "'+id+'", '+fadeout+')', 20);
	}
	else if(strfct!='')
	{
		scroller.style['filter'] = 'alpha(opacity=0)';
		scroller.style['-ms-filter'] = 'alpha(opacity=0)';		
		eval(strfct);

	}
}


function FadeIn(strfct, id, old_fade)
{
	var fade = 0;
	if(old_fade && old_fade>0)
	{
		fade = old_fade+0.05;

	}
	else
	{
		fade = 0.05;
	}
	
	if(fade<1)
	{
		document.getElementById(id).style.opacity = fade;
		scroller = document.getElementById(id);
		tp = Math.ceil(scroll_count*100);
		scroller.style['filter'] = 'alpha(opacity='+tp+')';
		scroller.style['-ms-filter'] = 'alpha(opacity='+tp+')';		
		setTimeout('FadeIn("'+strfct+'", "'+id+'", '+fade+')', 20);
	}
	else if(strfct!='')
	{
		scroller.style['filter'] = 'alpha(opacity=1)';
		scroller.style['-ms-filter'] = 'alpha(opacity=1)';		
		eval(strfct);
	}
}




var fade = 2;

var txt1 = '<img id="salon1" src="'+base_url+'images/innovagri 2011.jpg" alt="masse tracteur salon et show" width="150" height="112" border="0"  />';
var txt2 = '<img id="salon2" src="'+base_url+'images/Logo-sommet-Elevage-2011.jpg" alt="masse tracteur salon et show" width="150" height="64" border="0" />';
var txt3 = '<img id="salon3" src="'+base_url+'images/Logo-agri_technica_2011.jpg" alt="masse tracteur salon et show" width="150" height="64" border="0" />';

function SetSalon(txt){
	if(txt == 1){
		document.getElementById('linkimgsalon').innerHTML=txt1;
	}
	else if(txt == 3){
		document.getElementById('linkimgsalon').innerHTML=txt3;
	}
	else{
		document.getElementById('linkimgsalon').innerHTML=txt2;
	}
}

function UpdateSalon(){
	if(fade == 1){
		FadeOut('SetSalon(1);FadeIn(\'\', \'linkimgsalon\');', 'linkimgsalon');
		fade = 2;
	}
	else if(fade == 2){
		FadeOut('SetSalon(2);FadeIn(\'\', \'linkimgsalon\');', 'linkimgsalon');
		fade = 3;
	}
	else{
		FadeOut('SetSalon(3);FadeIn(\'\', \'linkimgsalon\');', 'linkimgsalon');
		fade = 1;
	}
}

// coupé (aurélien)
//setInterval('UpdateSalon();', 4000);