function mask_date(str,textbox,loc,delim) {
	if ((event.keyCode != 8) && (event.keyCode > 39) && (event.keyCode != 0) && (event.keyCode != 16) && (event.keyCode != 9)) {
	var locs = loc.split(',');
	for (var i = 0; i <= locs.length; i++){
		for (var k = 0; k <= str.length; k++){
			if (k == locs[i]){
				if (str.substring(k, k+1) != delim){
					str = str.substring(0,k) + delim + str.substring(k,str.length);
				}
			}
		}
	}
	if (str.indexOf('--') < 0) textbox.value = str.replace(/--/,'-');
	}
}


function handleKey_date(pObject,pEvent) {

	if (pEvent.keyCode == 45) {
		//streepje
		if (pObject.value.length == 1) {
			pObject.value = "0" + pObject.value + "-";
		}
		if (pObject.value.length == 4) {
			pObject.value = pObject.value.substring(0,3) + "0" + pObject.value.substring(3,1);
		}
		return false;
	}
	return true;
	

}