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 YY_checkform() { //v4.71
    //copyright (c)1998,2002 Yaromat.com
    var a=YY_checkform.arguments,oo=true,v='',s='',err=false,r,o,at,o1,t,i,j,ma,rx,cd,cm,cy,dte,at;
    for (i=1; i<a.length;i=i+4){
        if (a[i+1].charAt(0)=='#'){
            r=true;
            a[i+1]=a[i+1].substring(1);
        }else{
            r=false
        }
        o=MM_findObj(a[i].replace(/\[\d+\]/ig,""));
        o1=MM_findObj(a[i+1].replace(/\[\d+\]/ig,""));
        v=o.value;
        t=a[i+2];
        if (o.type=='text'||o.type=='password'||o.type=='hidden'){
            if (r&&v.length==0){
                err=true
            }
            if (v.length>0)
                if (t==1){ //fromto
                    ma=a[i+1].split('_');
                    if(isNaN(v)||v<ma[0]/1||v > ma[1]/1){
                        err=true
                    }
                } else if (t==2){
                    rx=new RegExp("^[\\w\.=-]+@[\\w\\.-]+\\.[a-zA-Z]{2,4}$");
                    if(!rx.test(v))err=true;
                } else if (t==3){ // date
                    ma=a[i+1].split("#");
                    at=v.match(ma[0]);
                    if(at){
                        cd=(at[ma[1]])?at[ma[1]]:1;
                        cm=at[ma[2]]-1;
                        cy=at[ma[3]];
                        dte=new Date(cy,cm,cd);
                        if(dte.getFullYear()!=cy||dte.getDate()!=cd||dte.getMonth()!=cm){
                            err=true
                        };
                    }else{
                        err=true
                    }
                } else if (t==4){ // time
                    ma=a[i+1].split("#");
                    at=v.match(ma[0]);
                    if(!at){
                        err=true
                    }
                } else if (t==5){ // check this 2
                    if(o1.length)o1=o1[a[i+1].replace(/(.*\[)|(\].*)/ig,"")];
                    if(!o1.checked){
                        err=true
                    }
                } else if (t==6){ // the same
                    if(v!=MM_findObj(a[i+1]).value){
                        err=true
                    }
                }
        } else
        if (!o.type&&o.length>0&&o[0].type=='radio'){
            at = a[i].match(/(.*)\[(\d+)\].*/i);
            o2=(o.length>1)?o[at[2]]:o;
            if (t==1&&o2&&o2.checked&&o1&&o1.value.length/1==0){
                err=true
            }
            if (t==2){
                oo=false;
                for(j=0;j<o.length;j++){
                    oo=oo||o[j].checked
                }
                if(!oo){
                    s+='* '+a[i+3]+'\n'
                }
            }
        } else if (o.type=='checkbox'){
            if((t==1&&o.checked==false)||(t==2&&o.checked&&o1&&o1.value.length/1==0)){
                err=true
            }
        } else if (o.type=='select-one'||o.type=='select-multiple'){
            if(t==1&&o.selectedIndex/1==0){
                err=true
            }
        }else if (o.type=='textarea'){
            if(v.length<a[i+1]){
                err=true
            }
        }
        if (err){
            s+='* '+a[i+3]+'\n';
            err=false
        }
    }
    if (s!=''){
        alert('Le informazioni richieste sono incomplete o contengono errori:\t\t\t\t\t\n\n'+s)
    }
    document.MM_returnValue = (s=='');
}