// JavaScript Document

var delay_check = false;
var top_move = 0;

function findPosX(obj){
    var curleft = 0;
    if(obj.offsetParent)
        while(1) 
        {
          curleft += obj.offsetLeft;
          if(!obj.offsetParent)
            break;
          obj = obj.offsetParent;
        }
    else if(obj.x)
        curleft += obj.x;
    return curleft;
 }

var temp_width2 = "";
var temp_width3 = "";
var timeout_value  = "undefined";

function adjust(){
	var body_width = "";
	var sky_top = "0px";
	
	body_width=findPosX(document.getElementById("big_content"));
 	var temp_width = body_width+1000;	
	document.getElementById("sky_move").style.marginLeft = temp_width+"px";
	document.getElementById("sky_move").style.top  = sky_top;

}
function move_sky(){
  	if (navigator.appName.indexOf("Microsoft")!=-1) { 
       body_scroll = document.body.scrollTop;
    }else{ 
       body_scroll = window.pageYOffset;
    }
	
	//CONTROLLI PER HTML 4.0 Loose
	if(navigator.appName.indexOf("Microsoft")!=-1 && (body_scroll == 0 || body_scroll+"" == "undefined")){
		body_scroll = document.documentElement.scrollTop;
	}
	//CONTROLLI PER IE 9
	if(navigator.appName.indexOf("Microsoft")!=-1 && (body_scroll == 0 || body_scroll+"" == "undefined")){
		body_scroll = window.pageYOffset;
	}	
	
	top_move = body_scroll;
	
	if(delay_check==false){
		setTimeout("sky_move_top()",400);
		delay_check = true;
	}

}


function sky_move_top() {
var y = document.getElementById("sky_move").style.top;
y = eval(y.replace("px","")+"")*1;
var dest_y = body_scroll; 
var interval = 10;
	delay_check = false;
	
	if(y<dest_y){ 
		y = y + interval;
		document.getElementById("sky_move").style.top  = y+'px';
		if ((y+interval<=dest_y)) {
			window.setTimeout('sky_move_top()',10);
		}
	}else if(y>dest_y){
		y = y - interval;
		document.getElementById("sky_move").style.top  = y+'px';
		if ((y-interval>=dest_y)) {
			window.setTimeout('sky_move_top()',10);
		}
	}
}

//-->