/**
 * @author luigi vergani
 */
function cambiaBordo(id, coloreBordo, coloreBg) {
	if(document.getElementById) {
		elemento=document.getElementById(id);
		elemento.style.borderColor=coloreBordo;
		elemento.style.background=coloreBg;
	}
}

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 VG_convalidaForm() { //v4.0

	var i,p,q,nm,test,num,min,max,errors='',args=VG_convalidaForm.arguments, nodo;
	
	for (i=0; i<(args.length-2); i+=3) { 
		test=args[i+2]; 
		val=MM_findObj(args[i]);	
		if (val) { 	
			nm=val.name; 
			if ((val=val.value)!=='') {
				if (test.indexOf('isEmail')!=-1) { 
					p=val.indexOf('@');
					if (p<1 || p==(val.length-1)) {
						errors+='- '+nm+' must contain an e-mail address.\n';
						nodo=document.getElementById(nm);
						nodo.style.borderColor="#FF0000";	
					}
				} else if (test!='R') { 
				} 
						
			} else if (test.charAt(0) == 'R') {
				nodo=document.getElementById(nm);
				nodo.style.borderColor="#FF0000";
				errors += '- '+nm+' is required.\n';
			} 
		}
	} 

	
	document.MM_returnValue = (errors == '');
	if (errors)  return false; 
}