/*

Copyright 2003, Dott. Francesco Iasparra. All rights reserved
Java, Javascript, C/C++

*/

function init(){
	window.status=" www.netlogo.net "; 
	net1_set = new Image(); 
	net1_set.src = "/netlogo/img/net.gif";
	net2_set = new Image(); 
	net2_set.src = "/netlogo/img/logo.gif";
	net3_set = new Image(); 
	net3_set.src = "/netlogo/img/net2.gif";

	tim=0;
	y_set=10;
	x0_logo=-170;
	x1_logo=-50;
	x2_logo=20;
	x3_logo=90;
	x4_logo=200;
	x5_logo=280;
	y0_logo=y_set+5;
	y1_logo=-50;
	y2_logo=-50;
	y3_logo=-50;
	y4_logo=-70;
	y5_logo=-60;
	write_animlogo();
	setTimeout("animLogo()",1000);
}

function write_animlogo(){
	imglogo0  = document.getElementById("fulmine").style;
	imglogo1  = document.getElementById("net").style;
	imglogo2  = document.getElementById("logo").style;
	imglogo3  = document.getElementById("net2").style;
}

function stay_animLogo() {  
	position_animLogo();
	setTimeout("stay_animLogo()", 20);	
}

function animLogo(){
	x0_logo=x0_logo+6;
	x1_logo=x1_logo+2;
	x3_logo=x3_logo-2;
	y1_logo=y1_logo+2;
	y2_logo=y2_logo+2;
	y3_logo=y3_logo+2;
	position_animLogo();
	if (y2_logo<y_set)	{
	  	setTimeout("animLogo()",20);	
	} else {
  	    x0_logo=15;
		x1_logo=20;
		x3_logo=20;
		y1_logo=y_set;
		y2_logo=y_set;
		y3_logo=y_set;
	  	setTimeout("stay_animLogo()",20);
	}
}

function position_animLogo(){
	if (tim==62*2)
		tim=0;

    imglogo0.top=y0_logo+'px';
    imglogo1.top=(y1_logo+Math.cos(tim/10)*3)+'px'; 
	imglogo2.top=(y2_logo+Math.cos((tim-60)/20)*3)+'px';
	imglogo3.top=(y3_logo+Math.cos((tim-90)/10)*3)+'px';
    imglogo0.left=(x0_logo+Math.sin(tim/10)*6)+'px'; 
    imglogo1.left=(x1_logo+Math.sin(tim/10)*3)+'px'; 
    imglogo2.left=(x2_logo+45)+'px';
	imglogo3.left=(x3_logo+92+Math.sin((tim++-90)/10)*3)+'px';
}

function hide_aminlogo(){
	x0_logo=x0_logo-7;
	x1_logo=x1_logo-2;
	x3_logo=x3_logo+2;
	y1_logo=y1_logo-2;
	y2_logo=y2_logo-2;
	y3_logo=y3_logo-2;
	if (y2_logo>-50){
	  	setTimeout("hide_aminlogo()",20);	
	}
}

function show_Logo(){
	x0_logo=x0_logo+2;
	x1_logo=x1_logo+2;
	x3_logo=x3_logo-2;
	y1_logo=y1_logo+2;
	y2_logo=y2_logo+2;
	y3_logo=y3_logo+2;
	if (y2_logo<20){
	  	setTimeout("show_Logo()",20);	
	} else {
		x0_logo=20;
		x1_logo=20;
		x3_logo=20;
		y1_logo=20;
		y2_logo=20;
		y3_logo=20;
	}
}

function showPage(pagina_scelta){
	hide_aminlogo();
	scelta=pagina_scelta;
	setTimeout("show_page_2()",700);
}

function show_page_2(){
	location.href=scelta;
}