function type_change() {
	var type_obj=document.getElementById('type_select');
	var index = type_obj.selectedIndex-1;
	var client_obj=document.getElementById('client_select');
	while(client_obj.options[1]) {
		client_obj.remove(1);
	}
	for(var i in clients_arr[index]) {
		var opt = document.createElement('option');
		opt.text = clients_arr[index][i].name;
		opt.value = clients_arr[index][i].id;
		try {
		    client_obj.add(opt, null); // standards compliant
	    }
		catch(ex) {
		    client_obj.add(opt); // IE only
		}
	}
	for(var i in clients_arr[index]) {
		if((type_obj.value == page_type_id) && (clients_arr[index][i].id == page_client_id)) {
			client_obj.selectedIndex = 1+Number(i);
			break;
		}	
	}
}
function client_change() {
	var type_obj=document.getElementById('type_select');
	var client_obj=document.getElementById('client_select');
	if(client_obj.selectedIndex == 0 || type_obj.selectedIndex == 0) {
		return;
	}
	var type_id = type_obj.value;
	var client_id = client_obj.value;
	window.location = "index.php?type="+type_id+"&client="+client_id;
}
function swap_image(obj_id, ext) {
	var obj = document.getElementById(obj_id);
	if(!obj) {
		return;
	}
	obj.src = 'images/'+obj_id+ext+'.gif';
}
function swap_images() {
	swap_image('contact', '2');
	swap_image('myspace', '2');
	swap_image('epiksounds', '2');
	//
	for(var i=1; i<projects_number+1; i++) {
		if(i==page_project_id) {
			continue;
		}
		swap_image('d'+i, '');
	}
}
function digit_mouse_out(obj_id) {
	//alert(obj_id+' vs '+'d'+project_number);
	if(obj_id == 'd'+page_project_id) {
		return;
	}
	swap_image(obj_id, '');
}