function setImg(id,url){
	document.images[id].src='images/'+url;
}
function clearImg(id){
	document.images[id].src='images/spacer.gif';
}
function set_submit(elementname, elementvalue) {
	document.form.elements[elementname].value=elementvalue;
	document.form.submit();
}
function set_conf(msg, elementname, elementvalue){
	var answer = confirm (msg)
	if (answer) {
			document.form.elements[elementname].value=elementvalue;
			document.form.submit();
	}
}
function conf_url(msg, url) {
	var answer = confirm (msg)
	if (answer) {
			document.location=url;
	}	
}
function show_day(dat){
	window.open('daydetails.php?date='+dat, '', 'resizable=no, menubar=no, scrollbar=no, width=400, height=500');
}
function set_check(compulsory, elementname, elementvalue) {
	emptyfields = false;
	for(x = 0; x < compulsory.length ; x++) {
		if(document.form.elements[compulsory[x]].value == '') emptyfields = true;
	}
	if(emptyfields) {
		alert('Please fill in all fields marked with a "*"');
	} else {
		document.form.elements[elementname].value=elementvalue;
		document.form.submit();
	}
}
function print_combined() {
	var answer = confirm ('Have you selected only orders from the same customer?')
	order = document.form.elements['ids[]'];
	if(answer && order.length != 0){
		order = document.form.elements['ids[]'];
		var link = '';
		for(x = 0; x < order.length; x++) if(order[x].checked) link = link+','+order[x].value;
		window.open('form.php?id='+link.substr(1)+'&form=invoice&action=print');
	}
}
function toggle(id, show) {
	if (el = document.getElementById(id)) {
		if (null==show) show = el.style.display=='none';
		el.style.display = (show ? '' : 'none');
	}
}
function op(url) {
	window.open(url,'_blank','menubar=no,location=no,resizable=no,scrollbars=no,status=no,width=400,height=355');
}