// JavaScript Document

	function f_capitalize(obj){
        val = obj.value;
        newVal = '';
        val = val.split(' ');
        for(var c=0; c < val.length; c++) {
                newVal += val[c].capitalize();
				if(c+1 != val.length)
					newVal += ' ';
        }
        obj.value = newVal;
	}
	
	function f_downcase(obj){
		obj.value = obj.value.toLowerCase();
	}

   function f_upcase(obj){
		obj.value = obj.value.toUpperCase();
	}

	function f_only_numbers(el){
		el.value = el.value.replace(/[\D]/gi,'').replace(' ','');
	}
	
	function f_only_letters(el){
		el.value = el.value.replace(/[^a-zA-Z\.\s]/gi,'').replace(/\s{2}/gi,' ');
	}
	
	function f_only_letters_and_numbers(el){
		el.value = el.value.replace(/[^a-zA-Z\.\s\d]/gi,'');
	}
	
	function f_initials(el){		
		el.value = el.value.replace(/[^a-zA-Z]/gi,'').replace(/\./gi,'');
		
		if (el.value.length > 0){
			var retval = "";
			for (i=0; i < el.value.length; i++){
				retval += el.value.substr(i,1)+".";
			}
			el.value = retval.toUpperCase();
		}
	}
	
	function f_zipcode(el){
		/*
		Acties : 
		1. Naar hoofdletters
		2. Alle onjuiste karakters verwijderen
		*/
		el.value = el.value.toUpperCase().replace(/[^a-zA-Z\d]/gi,'').replace(' ','');
	}