function clearfield(input, defaultvalue) {
	if (input.value == defaultvalue) input.value = '';
}
function restorefield(input, defaultvalue) {
	if (input.value == '') input.value = defaultvalue;
}
function saf(ID) {
	a=window.open('https://www.d-rent.nl/Index.asp?RecID='+ID,'','height='+(screen.height-75)+' width='+(screen.width-10)+' Left=0,Top=0,toolbar=no,location=yes,status=yes,menubar=no,scrollbars=no,resizable=yes');
}
function saf3(url) {
	a=window.open(url,'','height='+(screen.height-75)+',width='+(screen.width-10)+',Left=0,Top=0,toolbar=no,location=yes,status=yes,menubar=no,scrollbars=no,resizable=yes');
}
function dateInput(fname) {
	calendar = window.open('/Calendar.asp?fname='+fname,'','height=320,width=240,offsetLeft=150,toolbar=no,location=no,status=no,menubar=no,scrollbars=no,resizable=yes');
}