function NAV_nextpage()
{
	if (document.forms[0].NAV_PAGENEXTNR.value != -1)
	{
		if (document.forms[0].DENTISTID) document.forms[0].DENTISTID.value = "";
		document.forms[0].NAV_PAGE.value = document.forms[0].NAV_PAGENEXTNR.value;
		document.forms[0].submit();
	}
}

function NAV_prevpage()
{
	if (document.forms[0].NAV_PAGEPREVNR.value != -1)
	{
		if (document.forms[0].DENTISTID) document.forms[0].DENTISTID.value = "";
		document.forms[0].NAV_PAGE.value = document.forms[0].NAV_PAGEPREVNR.value;
		document.forms[0].submit();
	}
}

function toggle_options(id, obj)
{
	div = id + "_options";
	
	if (document.getElementById(div).style.display == '')
	{
		 document.getElementById(div).style.display = 'none';
		 obj.src = "../images/plus.png";
		 checks = document.getElementsByTagName("INPUT");

		 for (i = 0; i < document.forms[0].elements.length; i++)
		 {
		 	if (document.forms[0].elements[i].name.indexOf(id) > -1)
				document.forms[0].elements[i].checked = false;
		 }
	} else
		{
		 document.getElementById(div).style.display = '';
		 obj.src = "../images/min.png";
		}
}

function getKey(e)
{
	if (window.event)
           return window.event.keyCode;
    else if (e) return e.which;
    else return null;
}