function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

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 MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function trim(s) {
    var l=0;
    var r=s.length -1;
    while(l < s.length && s.charAt(l) == ' ') {
                l++;
        }
    while(r > l && s.charAt(r) == ' ') {
                r-=1;
        }
    return s.substring(l, r+1);
}

function check_number(s, decimal) {
    decimal = decimal != null ? decimal : false;
    var valid_chars = '0123456789';
    var valid_decimal_chars = '.,';
    var is_decimal = false;
    var is_number = true;
    var actual_char;

    for (i = 0; i < s.length && is_number == true; i++) {
        actual_char = s.charAt(i);
            if (decimal && valid_decimal_chars.indexOf(actual_char)!=-1) {
                    if (is_decimal) {
                            is_number = false;
                            return is_number;
                    }
                    else {
                            is_decimal = true;
                    }
            }
        else if (valid_chars.indexOf(actual_char) == -1) {
            is_number = false;
                    return is_number;
        }
    }
    return is_number;
}

function check_string(s, use_trim){
    use_trim = use_trim != null ? use_trim : true;
    var check = false;

    if(s != null){
        s = use_trim ? trim(s) : s;
        check = s.length > 0 ? true : false;
    }

    return check;
}

function go_to_link(s){
    if(check_string(s)){
        window.location = s;
    }
}

function popup(nomeFile, nomeFinestra, nWidth, nHeight) { //v2.0
	if (nWidth == '0')	{ nWidth = 500 };
	if (nHeight == '0')	{ nHeight = 400 };
	sinistra=(screen.width-nWidth)/2; /*creo una variabile e mi ricavo il valore della posizione della finestra a sinistra dello schermo*/
	alto=(screen.height-nHeight)/2; /*creo una variabile e mi ricavo il valore della posizione della finestra dall'alto dello schermo */
	window.open(nomeFile,nomeFinestra, "left="+sinistra+",top="+alto+",width="+nWidth+", height="+nHeight);
}

function formLoginVerify(frmTextbox, sMessage) { // by PAN
	if (frmTextbox.value == "") {
		frmTextbox.value = sMessage;
	} else if (frmTextbox.value == sMessage) {
			frmTextbox.value = "";
	}
	
}

function sanitize(obj){
    var txt = obj.value;
    txt = txt.toString().toLowerCase();
    txt = trim(txt);
    txt = txt.replace('à','a');
    txt = txt.replace('è','e');
    txt = txt.replace('é','e');
    txt = txt.replace('ì','i');
    txt = txt.replace('ò','o');
    txt = txt.replace('ù','u');
    var re = new RegExp("[^a-z0-9\\s\\-]*","g");
    txt = txt.replace(re,'');
    txt = txt.replace(/ /g,'-');
    return txt;
}

// ===========================================================
// SMART COLUMNS: inocolonnamento delle colonne in homepage
// ===========================================================

	$(document).ready(function(){
		
		$('a[href^="http://"]')	.attr({ target: "_blank" });
	
		function smartColumns() {
			$("ul.column").css({ 'width' : "100%"});
			
			var colWrap = $("ul.column").width();
			var colNum = Math.floor(colWrap / 200);
			var colFixed = Math.floor(colWrap / colNum);
			
			$("ul.column").css({ 'width' : colWrap});
			$("ul.column li").css({ 'width' : colFixed});
		}	
		
		smartColumns();	
	
		$(window).resize(function () {
			smartColumns();
			
		}); 
			
	});
	
	
// ===========================================================
// SMART COLUMNS: inocolonnamento delle colonne in ADMIN INDEX
// ===========================================================

	$(document).ready(function(){
		
		$('a[href^="http://"]')	.attr({ target: "_blank" });
	
		function smartAdminColumns() {
			$("ul.adminColumn").css({ 'width' : "100%"});
			
			var colWrap = $("ul.adminColumn").width();
			var colNum = Math.floor(colWrap / 200);
			var colFixed = Math.floor(colWrap / colNum);
			
			$("ul.adminColumn").css({ 'width' : colWrap});
			$("ul.adminColumn li").css({ 'width' : colFixed});
		}	
		
		smartAdminColumns();	
	
		$(window).resize(function () {
			smartAdminColumns();
			
		}); 		
			
	});