// JavaScript Document
function change_pic(_this,x){
	_this.src= x;
}

function change_class(_this,x){
	_this.className=x;
}

function change_con(_this,x1,x2){
	if(document.getElementById(x2).style.display=="none"){
		document.getElementById(x2).style.display="";
		document.getElementById(x1).style.display="none";
		_this.src="images/common/arrow_up.gif";
		_this.alt="Shrink";
	}
	else{
		document.getElementById(x2).style.display="none";
		document.getElementById(x1).style.display="";
		_this.src="images/common/arrow_down.gif";
		_this.alt="Espandi";
	}
}

function tab_effect(tab,content,x){
	for(i=1;i<=x;i++){
		document.getElementById("tab"+i).className="";
		document.getElementById("content"+i).style.display="none";
	}
	document.getElementById(tab).className="tab_on";
	document.getElementById(content).style.display="";
}

function for_download(but,list){
	if(document.getElementById(list).style.display=="none"){
		document.getElementById(but).src="images/common/download_hover.gif";
		document.getElementById(list).style.display="";
	}
	else{
		document.getElementById(but).src="images/common/download.gif";
		document.getElementById(list).style.display="none";
	}
}