/* Slide di immagini che scorrono in orizzontale 11-05-2005 

Informazioni :
   Inserire il codice tra tag <table></table> o <div></div>
   Esempio di chiamata:  
   <inizio tag script>
   	sl_img 		= new Array("file1.jpg","file2.jpg","file3.jpg");
	sl_width	= 560;
   	sl_height 	= 124;
   	sl_speed	= 1;  
   	sl_bgcolor	= "#ffffff";
   <fine tag script>
   <inserire i riferimenti al presente script>

Parametri :
   sl_img 		= Array delle immagini da visualizzare nella slide
   sl_href 		= Array dei link esterni delle immagini visualizzate nella slide
   sl_width		= larghezza della slide in px
   sl_height 	= altezza della slide in px
   sl_speed		= velocitą della slide in px  
   sl_bgcolor	= colore in bg della slide(#??????)
   
*/

iedom=document.all||document.getElementById;

leftrightslide=new Array()

i=0;
leftrightslide[0]='';
mainId = "";
lefttime = "";


while(i < sl_img.length){
	if (typeof(sl_href[i]) =='undefined' || sl_href[i] =='' ){	
		leftrightslide[0]+='<img src=' + sl_img[i] + ' border=0 height=' + sl_height + '>' 
	} else {
		leftrightslide[0]+='<a href=' + sl_href[i] + ' target=_blank ><img src=' + sl_img[i] + ' border=0 height=' + sl_height + '></a>' 
	}
	i++;
}

copyspeed=sl_speed
leftrightslide='<nobr>'+leftrightslide.join(" ")+'</nobr>'

if (iedom)
	document.write('<span id="temp" style="visibility:hidden;position:absolute;top:0;left:0">'+leftrightslide+'</span>');

actualwidth='';
cross_slide='';
ns_slide='';

window.onload=fillup

function fillup(){

	if (iedom){
		cross_slide=document.getElementById? document.getElementById("test2") : document.all.test2
		cross_slide2=document.getElementById? document.getElementById("test3") : document.all.test3
		cross_slide.innerHTML=cross_slide2.innerHTML=leftrightslide
		actualwidth=document.all? cross_slide.offsetWidth : document.getElementById("temp").offsetWidth
		//aggiunge spazio di interruzione tra fine/inizio slide
		cross_slide2.style.left=actualwidth+5
		//ripulisco l'elemento "temp" non pił necessario
		document.getElementById("temp").innerHTML="";
	} else {
		if (document.layers){
			ns_slide=document.ns_slidemenu.document.ns_slidemenu2
			ns_slide2=document.ns_slidemenu.document.ns_slidemenu3
			ns_slide.document.write(leftrightslide)
			ns_slide.document.close()
			actualwidth=ns_slide.document.width
			//ns_slide2.left=actualwidth+20
			ns_slide2.left=actualwidth
			ns_slide2.document.write(leftrightslideA)
			ns_slide2.document.close()
		}
	}
	
	clearTimeout(mainId);
	mainId = setTimeout("startScroll()", 1500)
}

function startScroll(){
	clearTimeout(mainId);
	lefttime=setInterval("slideleft()",50)
}

function stopScroll(){
	clearTimeout(mainId);
	clearInterval(lefttime)
}

function slideleft(){

	if (iedom){

		if (parseInt(cross_slide.style.left)>(actualwidth*(-1)+8))
			cross_slide.style.left=parseInt(cross_slide.style.left)-copyspeed
		else	
			cross_slide.style.left=parseInt(cross_slide2.style.left)+actualwidth+30

		if (parseInt(cross_slide2.style.left)>(actualwidth*(-1)+8))
			cross_slide2.style.left=parseInt(cross_slide2.style.left)-copyspeed
		else
			cross_slide2.style.left=parseInt(cross_slide.style.left)+actualwidth+30
	} else 
		if (document.layers){
			if (ns_slide.left>(actualwidth*(-1)+8))
				ns_slide.left-=copyspeed
			else
				ns_slide.left=ns_slide2.left+actualwidth+30

			if (ns_slide2.left>(actualwidth*(-1)+8))
				ns_slide2.left-=copyspeed
			else
				ns_slide2.left=ns_slide.left+actualwidth+30
		}
	}

	if (iedom||document.layers){
		with (document){
		document.write('<table border="0" cellspacing="0" cellpadding="0"><td>')
		if (iedom){
			//sl_height = sl_height - 10;
			write('<div style="position:relative;left:0;top:0;width:'+sl_width+';height:'+sl_height+';overflow:hidden">')
			write('<div style="position:absolute;left:0;top:0;width:'+sl_width+';height:'+sl_height+';background-color:'+sl_bgcolor+'" onMouseover=stopScroll() onMouseout=startScroll()>')
			write('<div id="test2" style="position:absolute;left:0;top:0"></div>')
			write('<div id="test3" style="position:absolute;left:0;top:0"></div>')
			write('</div></div>')
		} else 
			if (document.layers){
				write('<ilayer width='+sl_width+' height='+sl_height+' name="ns_slidemenu" bgColor='+sl_bgcolor+'>')
				write('<layer name="ns_slidemenu2" left=0 top=0 onMouseover=stopScroll() onMouseout=startScroll()></layer>')
				write('<layer name="ns_slidemenu3" left=0 top=0 onMouseover=stopScroll() onMouseout=startScroll()></layer>')
				write('</ilayer>')
			}
			document.write('</td></table>')
		}
}