function scosta() {
	n = (Math.round(Math.random()*10))*400;
	m = (Math.round(Math.random()*10))*146;
	document.getElementById('content').style.backgroundPosition = n+'px ';
}

function tempo() {
		//setInterval("scosta()", 10);
		setTimeout("scosta()", 200); 
		setTimeout("scosta()", 400); 
		setTimeout("scosta()", 600); 

}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function opacizza(nome) {
	if (nome==1) {
		document.getElementById('myarchivia_span').className='trasparente';	
		document.getElementById('myerp_span').className='trasparente';	
		document.getElementById('studiomg_span').className='trasparente';	
	}
	else if (nome==2) {
		document.getElementById('masterplus_span').className='trasparente';	
		document.getElementById('myerp_span').className='trasparente';	
		document.getElementById('studiomg_span').className='trasparente';	
	}
	else if (nome==3) {
		document.getElementById('masterplus_span').className='trasparente';	
		document.getElementById('myarchivia_span').className='trasparente';	
		document.getElementById('studiomg_span').className='trasparente';	
	}
	else if (nome==4) {
		document.getElementById('masterplus_span').className='trasparente';	
		document.getElementById('myarchivia_span').className='trasparente';	
		document.getElementById('myerp_span').className='trasparente';	
	}
}

function ripristina(nome) {
	if (nome==1) {
		document.getElementById('myarchivia_span').className='';	
		document.getElementById('myerp_span').className='';	
		document.getElementById('studiomg_span').className='';	
	}
	else if (nome==2) {
		document.getElementById('masterplus_span').className='';	
		document.getElementById('myerp_span').className='';	
		document.getElementById('studiomg_span').className='';	
	}
	else if (nome==3) {
		document.getElementById('masterplus_span').className='';	
		document.getElementById('myarchivia_span').className='';
		document.getElementById('studiomg_span').className='';	
	}
	else if (nome==4) {
		document.getElementById('masterplus_span').className='';	
		document.getElementById('myarchivia_span').className='';	
		document.getElementById('myerp_span').className='';	
	}
}