/*
	Set of JavaScript functions used throughout the database......
*/
function trim(aStr) {
	return aStr.replace(/^\s{1,}/, "").replace(/\s{1,}$/, "")
}
function validateRequiredFields( f ){
	for (var i=0; i < f.elements.length; i++){
		e = f.elements[i];
		
		/* 
					Split apart the arguments in to a 2 dimensional array!
					format - Failure Alert Label # Required (true|false)
		*/
		a = e.id.split("#");
			//checks input types - :"text", "select-one", "select-multiple", "textarea", ["checkbox", "radio"]
			if ( a[1] == "true" ) {
				switch (e.type) {
					case "text":
					if ( trim(e.value) == "" ){
						alert(a[0] + " e' un campo obbligatorio. \n\nInserire un valore.");
						e.focus();
						return false}
						break
					case "textarea":
					if ( trim(e.value) == "" ){
						alert(a[0] + " e' un campo obbligatorio. \n\nInserire un valore.");
						e.focus();
						return false}
						break
			 case "select-one":
	 if ( e.selectedIndex == 0 ){
	   alert(a[0] + " e' un campo obbligatorio. \n\nInserire un valore.");
	   e.focus();
	   return false}
	        break
     case "checkbox":
						hasChecked = false;
						p = eval("e.form." + e.name);
						for (var r=0; r < p.length; r++){
							if ( p[r].checked ){hasChecked = true};
						}
     if (!hasChecked) {
							alert(a[0] + " e' un campo obbligatorio. \n\nInserire un valore.");
							e.focus();
							return hasChecked;
						}
						break
				case "radio":
						hasChecked = false;
						p = eval("e.form." + e.name);
						for (var r=0; r < p.length; r++){
							if ( p[r].checked ){hasChecked = true};
						}
						if (!hasChecked) {
							alert(a[0] + " e' un campo obbligatorio. \n\nInserire un valore.");
							e.focus();
							return hasChecked;
						}
						break
				default:
						break
				}
		}
	}
	return true;
}
function doSubmit(f, v){
	if ( v ){
		if ( validateRequiredFields( f ) ){ 
			f.submit();
		}
	} else {
		f.submit();
	}
}
/*
Can't work out how to do it for radio collection !
If anybody does, please let me know - jake@codestore.net
					case "radio":
						hasChecked = false;
						for (var r=0; r < e.length; r++){
							if ( e[r].checked ){hasChecked = true};
						}
						alert(hasChecked);
						return hasChecked;
						break
*/