function getValue(formname,field,type) {
	if(document.forms[formname].elements[field]) {
		field = document.forms[formname].elements[field];
		
		if(type == "radio") {
			for(i=0;i<field.length;i++) {
				if(field[i].checked) {
					return field[i].value;
				}
			}
		} else if(type == "select") {
			return field[field.selectedIndex].value;
		} else {
	       return field.value;
		}
	}
}