//javascripting

function $(id){return document.getElementById(id)}
function hide(id){$(id).style.display="none"}
function show(id){$(id).style.display="block"}
function sh(id){if($(id).style.display=="none") $(id).style.display="block";
	else $(id).style.display="none"}

function layout(){
	var w = window.innerWidth;
	if(w<850){
		$('siteWrapper').style.left = 0;
		$('siteWrapper').style.marginLeft = 0;
	}		
	else{
		$('siteWrapper').style.left = '50%';
		$('siteWrapper').style.marginLeft = -425;	
	}
	if($('sideBar').offsetHeight>$('content').offsetHeight){
			$('content').style.height = $('sideBar').offsetHeight - 10;
		}
	else if($('sideBar').offsetHeight<$('content').offsetHeight){
			$('newsLetter').style.height = ('content').offsetHeight; 
	}
	timer = window.setTimeout('layout()', 300);
}

function closeMenu(){
	if (!document.getElementsByTagName){ return; }
	var uls = document.getElementsByTagName("ul");

	// loop through all div tags
	for (var i=0; i<uls.length; i++){
		var ul = uls[i];

		if (ul.className == "subMenu" || ul.className == "portfolioList"){ 
			//ul.style.display = 'none';
		}
	}


}

function smallButtons(){
	if (!document.getElementsByTagName){ return; }
	var uls = document.getElementsByTagName("input");

	// loop through all div tags
	for (var i=0; i<uls.length; i++){
		var ul = uls[i];

		if (ul.type == "submit"){ 
			ul.style.width = 100;
		}
	}
}

window.onload = function(){
	layout();
	closeMenu();
	smallButtons();
}

function checkMail(){
	if(!$('privacy').checked){
		alert('Errore, non hai dato il consenso');
		return false;
	}
	else return true;
}

function checkRegister(){
	if(!$('privacy').checked){
		alert('Errore, non hai dato il consenso');
		return false;
	}
	else if($('name').value=="" || $('prename').value==""  || $('city').value==""  || $('email').value==""  || $('mediaName').value==""  || $('position').value=="-----" ){
	 	alert('Errore, alcuni campi obbligatori non sono compilati');
		return false;
	}
		else return true;
}
function checkNewsletter(){
		if(!$('privacy').checked){
		alert('Errore, non hai dato il consenso');
		return false;
	}
	else if($('name').value=="" || $('prename').value==""  || $('city').value==""  || $('email').value=="" ){
	 	alert('Errore, alcuni campi obbligatori non sono compilati');
		return false;
	}
		else return true;
}

var imgI = 1;
function switchImg(obj, url, num){	
	imgI++;
	if(imgI>num) imgI=1; 
	obj.src = url +'_'+ imgI +'.jpg';
}