function getFields(form){
	o= new Object;
	var f=document.forms[form];
	for (var i=0; i<f.elements.length; i++){
		var name=f.elements[i].name;
		var type=f.elements[i].type;
		//alert(type);
		if(type=='radio'){
			if(f.elements[i].checked){	o[name]=f.elements[i].value; }
		}else if(type=='checkbox'){
			if(f.elements[i].checked){
				if(!o[name]){o[name]=new Array();  	}
				o[name][o[name].length]=f.elements[i].value;
			}
		}
		else{			o[name]=f.elements[i].value; }
	}
	return o;
}