function PageChanger(page) { document.location.href="default.cfm?docs="+page+".htm"; }

function isEmpty(data) {
for (var i=0; i < data.value.length; i++)  {
          if (data.value.substring(i, i+1) != " ")
	  	return false;
      }
	  return true;
}


function checkForm() {
  var f=document.forms["cerca"];
	if (!isEmpty(f.q))
 	    {
 	     f.action= "default.cfm";
		   f.method="GET";
		   f.submit();
  	    }
  	      else { alert("Devi inserire almeno un carattere per la ricerca!");}
  	    }

//function checkFormHome() {
//  var f=document.forms["cercaHome"];
//	if (!isEmpty(f.q))
// 	    {
// 	     f.action= "default.cfm?channel=search";
//		   f.method="GET";
//		   f.submit();
//  	    }
//  	      else { alert("Devi inserire almeno un carattere per la ricerca!");}
//  	    }

function checkFormHome() {
//  var f=document.forms[''];
	if (!isEmpty(document.getElementById('q')))
 	    {
 	     document.location.href = "default.cfm?channel=search&q=" + document.getElementById('q').value + "&area=" + document.getElementById('area').value;
		  
  	    }
  	      else { alert("Devi inserire almeno un carattere per la ricerca!");}
  	    }



function emailchk(mailField) {
  mailValue = mailField.value;

  var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
  if (filter.test(mailValue)){
  return true;
  } else {
  return false;  
  }
}

function newsletter(action) {
  var f = document.forms["newsletter"];
	if  (emailchk(f.email))
 	    {
 	      win = window.open("",'box','scrollbars=yes,resizable=no,width=200,height=150,status=no,location=no,toolbar=no');
 	      win.focus();
 	      f.action="/homepage/generators/dba_newsletter.cfm";
 	      f.whattodo.value= action;
		  	f.method="POST";
		  	f.target="box";
		  	f.submit();
  	   } else { alert("Indirizzo e-mail non valido!");}
}


function pop(str) {
        popwin = window.open(str,'popwin','scrollbars=yes,resizable=yes,width=500,height=400,status=no,location=no,toolbar=no');
        popwin.focus();
}

function popwin(str,str2,dimx,dimy) {
         popWin = window.open(str,str2,'scrollbars=yes,resizable=no,width='+ dimx +',height='+ dimy +',status=no,location=no,toolbar=no');
         popWin.focus();
}

function cart(ID)
  {
    winx=784;
    winy=900;
    win1=window.open("/cart/cart.cfm?ID="+ID,"opencart","toolbar=no,directories=no,status=yes,menubar=no,scrollbars=no,width="+winx+",height="+winy);
  }

function newsFocus(){
  var f = document.forms["newsletter"];
  if (f.email.value == 'e-mail'){
  f.email.value = '';
  }
}

function allegato(filename) {
   	if (!isEmpty (filename)) {
			if (!rightchars(filename)){return false;}   	
   		var a = filename.value;
      var a = a.toLowerCase();
			var b = a.lastIndexOf("."); 
			var i = a.substring(b,a.length);
 		  if (i == ".doc") { return true; }
 		  else if (i == ".rtf") { return true; }
 		  else if (i == ".pdf") { return true; }
 		  else if (i == ".xls") { return true; }
 		  else if (i == ".zip") { return true; }
 			else if (i == ".gif") { return true; }
 		  else if (i == ".jpg") { return true; }
 		  else if (i == ".png") { return true; }
   		else { alert("Non è possibile inviare file con estensione "+i); return false;}
	} else { return true; }
}                  

function rightchars(field) {
	var data = field.value;
	var data = data.toLowerCase();
	var b = data.lastIndexOf("\\");
	if (b == -1){
	  b = data.lastIndexOf("/");
  }
	var data = data.substring(b+1,data.length);
	var okStr="0123456789abcdefghijklmnopqrstuvwxyz-_.";
	var thisChar; 
	var errorChar;
	var counter = 0;
	for (var i=0; i<data.length; i++) {
		thisChar = data.substring (i, i+1);
		if (okStr.indexOf(thisChar) != -1)
			counter ++;
			else { errorChar = thisChar;}
		}
	if (counter == data.length) {
		return true;
	} else {
		alert("Il file uploadato contiene il carattere speciale: "+errorChar+". I file non possono contenere caratteri speciali");
		return false;
	}
}