function popup(url,width,height){
	url = url + '?img='+image;
	mywindow = window.open (url,"mywindow","location=0,status=0,scrollbars=0,width="+width+",height="+height+",screenX=80,screenY=80,resizable=yes");
	if (!mywindow.focus()) mywindow.focus();
}
function digitMask(o,e){
	var key;
	var doF=true;
	//var validchars = "0123456789-";
	if (window.event) key = window.event.keyCode;
	else if (e) key = e.which;

	//VALID
	var k1=46;	 // key =8 backspace 
	var k2=8;	 // key =8 backspace 
	var k3=109;  //key=109 trattino meno
	
	var obj = o.value;
	if (key!=k1 && key!=k2 && key!=k3 &&  (key<48 || key>57) ){ o.value = obj.substring(0,o.value.length-1);}
	
	if (key==8 || key==46) doF = false;
	if (key!=8) doF = true;
	if (doF){
			if (obj.length==2){
				var dd = obj.substring(0,2);
				if (dd > 31 || isNaN(dd)){
					o.value="";
					document.getElementById('mydiv').innerHTML="il giorno non pu&oacute; essere maggiore di 31";
				}
				else o.value = obj + "-";

			}
			if (obj.length==3){
				var m = obj.charAt(2);
				if (m!="-") o.value = obj.substring(0,2) + "-" + obj.substring(2,o.value.length);
			}
			if (obj.length==5 ){
				var mm = obj.substring(3,5);
				if (mm > 12 || isNaN(mm)){
					o.value= obj.substring(0,3);
					document.getElementById('mydiv').innerHTML="il mese non pu&oacute; essere maggiore di 12";
				}
				else o.value = obj + "-";

			}
			if (obj.length == 10 && isNaN(obj.substring(6,10))) o.value= obj.substring(0,6);
			if (obj.length > 10) o.value=obj.substring(0,10);
	}
}


function MailStripHTML(obj_from,obj_to) {
	//function to strip all html
	var oldString = obj_from.value;
	//alert(oldString);
	var newString = oldString.replace(/(<([^>]+)>)/ig,"");
	
	//replace carriage returns and line feeds
   newString = newString.replace(/\r\n/g," ");
   newString = newString.replace(/\n/g," ");
   newString = newString.replace(/\r/g," ");
	
	//trim string
	newString = trim(newString);
	obj_to.value = newString;
	alert(obj_to.value);
	//return newString;
}


function prcy(f){
	var o = f.pry.checked;	
	var a = f.f_action.value;	
	if (a=='add'){
		if (o==false) alert(f.f_alert.value);
		else f.submit();
	}	
	else f.submit();
}

function prcy1(f){
	var o = f.pry.checked;	
	var a = f.f_action_2.value;	
	if (a=='add'){
		if (o==false) alert(f.f_alert.value);
		else f.submit();
	}	
	else f.submit();
}

function incQty(n)
					{
					    
					    f = eval("document.getElementById('prod_qty_" + n + "')");
					    q = parseInt(f.value) + 1;
					    f.value = q;
					    
					    
					}

			function decQty(n)
					{
					     f = eval("document.getElementById('prod_qty_" + n + "')");
					    q = parseInt(f.value) - 1;
					    if(q > 0)
					        f.value = q;
					}