function NascondiTabella(TableID) {
//rende invisibile una finestra
	document.getElementById(TableID).style.position="absolute";
	document.getElementById(TableID).style.top="-800px";
	document.getElementById(TableID).style.left="-800px";
	document.getElementById(TableID).style.visibility="Hidden";
}

function MostraTabella(TableID,TableWidth,TableHeight) {
//rende visibile una tabella nascosta a centro schermo

if (TableID=='popup-aziende')
{
	NascondiTabella('popup-uffici');
} else {
	NascondiTabella('popup-aziende');
}

	var left;
	var top;
	var PageWidth;
	var PageHeight;
	
	PageWidth=document.body.offsetWidth;
	PageHeight=document.body.offsetHeight;
	
	if (document.all) {  
		//internet explorer
	}else{
		//netscape
		PageHeight=PageHeight/2;
	}
	
	top=(PageHeight-TableHeight)/2;
	left=(PageWidth-TableWidth)/2;
	//rende visibile la finestra interessata
	document.getElementById(TableID).style.position="absolute";
	document.getElementById(TableID).style.top=top+"px";
	document.getElementById(TableID).style.left=left+"px"; 
	document.getElementById(TableID).style.visibility="Visible";
}


var i = 0;
function calltoaction() {
		caction = document.getElementById('ctaction');
		chaction = document.getElementById('contatti-home');
		x = i%2;
		if (x == 1)
		{
			caction.style.backgroundImage = 'url("_img/shared/box-contatti-hov.jpg")';
			chaction.style.backgroundImage = 'url("_img/newhome/contatti-home.jpg")';
		}
		else 
		{
			caction.style.backgroundImage = 'url("_img/shared/box-contatti.jpg")';
			chaction.style.backgroundImage = 'url("_img/newhome/contatti-home-hover.jpg")';
		}
		i++;
		if (i<7)
		{
		setTimeout("calltoaction()",400);
		}
		else {return false;}
}