/* --- Swazz Javascript Calendar ---
   --- v 1.0 3rd November 2006
By Oliver Bryant
http://calendar.swazz.org */

var swz_mn=new Array('January','February','March','April','May','June','July','August','September','October','November','December');
var swz_mnn=new Array('31','28','31','30','31','30','31','31','30','31','30','31');
var swz_mnl=new Array('31','29','31','30','31','30','31','31','30','31','30','31');
var swz_days=new Array('S', 'M', 'T', 'W', 'T', 'F', 'S');

function swz_getObj(objID)
{
	if (document.getElementById) {return document.getElementById(objID);}
	else if (document.all) {return document.all[objID];}
	else if (document.layers) {return document.layers[objID];}
}

function swz_checkClick(e) {
	e?evt=e:evt=event;
	CSE=evt.target?evt.target:evt.srcElement;
	if (swz_getObj('swz_fc'))
		if (!swz_isChild(CSE,swz_getObj('swz_fc')))
		{
			swz_getObj('swz_fc').style.display='none';
			swz_getObj('swz_fc_iframe').style.display='none';
		}
}

function swz_isChild(s,d) {
	while(s) {
		if (s==d) 
			return true;
		s=s.parentNode;
	}
	return false;
}

function swz_Left(obj)
{
	var curleft = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curleft += obj.offsetLeft
			obj = obj.offsetParent;
		}
	}
	else if (obj.x)
		curleft += obj.x;
	return curleft;
}

function swz_Top(obj)
{
	var curtop = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curtop += obj.offsetTop
			obj = obj.offsetParent;
		}
	}
	else if (obj.y)
	{
		curtop += obj.y;
	}
	return curtop;
}

document.write('<iframe id="swz_fc_iframe" style="display: none; z-index: 999; left: 0px; top: 0px; position: absolute;" src="" frameborder="0" scrolling="no"></iframe>');
document.write('<table id="swz_fc" class="swz_cal" style="display: none; z-index: 1000;" cellpadding="2">');
document.write('<tr><td class="swz_clickimg" onclick="swz_csubm()"><img src="swazzcal/arrowleftmonth.gif"></td><td colspan="5" id="mns" class="swz_month"></td><td align="right" class="swz_clickimg" onclick="swz_caddm()"><img src="swazzcal/arrowrightmonth.gif"></td></tr>');
document.write('<tr class="swz_weekdays"><td>' + swz_days[0] + '</td><td>' + swz_days[1] + '</td><td>' + swz_days[2] + '</td><td>' + swz_days[3] + '</td><td>' + swz_days[4] + '</td><td>' + swz_days[5] + '</td><td>' + swz_days[6] + '</td></tr>');
for(var kk=1;kk<=6;kk++) {
	document.write('<tr class="swz_daybase">');
	for(var tt=1;tt<=7;tt++) {
		num=7 * (kk-1) - (-tt);
		document.write('<td id="v' + num + '">&nbsp;</td>');
	}
	document.write('</tr>');
}
document.write('</table>');

document.all?document.attachEvent('onclick',swz_checkClick):document.addEventListener('click',swz_checkClick,false);


// Calendar script
var swz_now = new Date;
var swz_sccm = swz_now.getMonth();
var swz_sccy = swz_now.getFullYear();
var swz_ccm = swz_now.getMonth();
var swz_ccy = swz_now.getFullYear();

var updobj;
function swz_lcs(ielem) {
	updobj=ielem;
	swz_getObj('swz_fc').style.left=swz_Left(ielem) + 'px';
	swz_getObj('swz_fc').style.top=(swz_Top(ielem)+ielem.offsetHeight) + 'px';
	swz_getObj('swz_fc').style.display='';
	swz_getObj('swz_fc_iframe').style.left=swz_Left(ielem) + 'px';
	swz_getObj('swz_fc_iframe').style.top=(swz_Top(ielem)+ielem.offsetHeight) + 'px';
	swz_getObj('swz_fc_iframe').style.width=swz_getObj('swz_fc').offsetWidth + 'px';
	swz_getObj('swz_fc_iframe').style.height=swz_getObj('swz_fc').offsetHeight + 'px';
	swz_getObj('swz_fc_iframe').style.display='';

	// First check date is valid
	curdt=ielem.value;
	curdtarr=curdt.split('-');
	if (curdtarr.length!=3)  curdtarr=curdt.split('/');
	isdt=true;
	for(var k=0;k<curdtarr.length;k++) {
		if (isNaN(curdtarr[k]))
			isdt=false;
	}
	if (isdt&(curdtarr.length==3)) {
		if (curdtarr[0].length==2)
		{
			swz_ccm=curdtarr[0]-1;
			swz_ccy=curdtarr[2];
			swz_cdayf();
			swz_prepcalendar(curdtarr[1],swz_ccm,swz_ccy);
		}
		else
		{
			swz_ccm=curdtarr[1]-1;
			swz_ccy=curdtarr[0];
			swz_cdayf();
			swz_prepcalendar(curdtarr[2],swz_ccm,swz_ccy);
		}
	}
}

function swz_lcs2(ielem, updelem) {
	updobj=updelem;
	swz_getObj('swz_fc').style.left=swz_Left(ielem) + 'px';
	swz_getObj('swz_fc').style.top=(swz_Top(ielem)+ielem.offsetHeight) + 'px';
	swz_getObj('swz_fc').style.display='';
	swz_getObj('swz_fc_iframe').style.left=swz_Left(ielem) + 'px';
	swz_getObj('swz_fc_iframe').style.top=(swz_Top(ielem)+ielem.offsetHeight) + 'px';
	swz_getObj('swz_fc_iframe').style.width=swz_getObj('swz_fc').offsetWidth + 'px';
	swz_getObj('swz_fc_iframe').style.height=swz_getObj('swz_fc').offsetHeight + 'px';
	swz_getObj('swz_fc_iframe').style.display='';

	// First check date is valid
	curdt=updelem.value;
	curdtarr=curdt.split('-');
	if (curdtarr.length!=3)  curdtarr=curdt.split('/');
	isdt=true;
	for(var k=0;k<curdtarr.length;k++) {
		if (isNaN(curdtarr[k]))
			isdt=false;
	}
	if (isdt&(curdtarr.length==3)) {
		if (curdtarr[0].length==2)
		{
			swz_ccm=curdtarr[0]-1;
			swz_ccy=curdtarr[2];
			swz_cdayf();
			swz_prepcalendar(curdtarr[1],swz_ccm,swz_ccy);
		}
		else
		{
			swz_ccm=curdtarr[1]-1;
			swz_ccy=curdtarr[0];
			swz_cdayf();
			swz_prepcalendar(curdtarr[2],swz_ccm,swz_ccy);
		}
	}
}

function swz_evtTgt(e)
{
	var el;
	if(e.target)el=e.target;
	else if(e.srcElement)el=e.srcElement;
	if(el.nodeType==3)el=el.parentNode; // defeat Safari bug
	return el;
}
function swz_EvtObj(e){if(!e)e=window.event;return e;}
function swz_cs_over(e) {
	if (swz_evtTgt(swz_EvtObj(e)).className == "swz_cps")  swz_evtTgt(swz_EvtObj(e)).className = "swz_cps_hover";
	if (swz_evtTgt(swz_EvtObj(e)).className == "swz_hds")  swz_evtTgt(swz_EvtObj(e)).className = "swz_hds_hover";
}
function swz_cs_out(e) {
	if (swz_evtTgt(swz_EvtObj(e)).className == "swz_cps_hover")  swz_evtTgt(swz_EvtObj(e)).className = "swz_cps";
	if (swz_evtTgt(swz_EvtObj(e)).className == "swz_hds_hover")  swz_evtTgt(swz_EvtObj(e)).className = "swz_hds";
}
function swz_cs_click(e) {
	updobj.value=swz_calvalarr[swz_evtTgt(swz_EvtObj(e)).id.substring(1,swz_evtTgt(swz_EvtObj(e)).id.length)];
	if (typeof(updobj.onchange) == "function")  updobj.onchange();
	swz_getObj('swz_fc').style.display='none';
	swz_getObj('swz_fc_iframe').style.display='none';
}

var swz_calvalarr=new Array(42);

function swz_f_precps(obj) {
	obj.className = "swz_precps";
}

function swz_f_cps(obj) {
	obj.className = "swz_cps";
}

function swz_f_cpps(obj) {
	obj.className = "swz_cpps";
}

function swz_f_hds(obj) {
	obj.className = "swz_hds";
}

// day selected
function swz_prepcalendar(hd,cm,cy) {
	swz_now=new Date();
	sd=swz_now.getDate();
	td=new Date();
	td.setDate(1);
	td.setFullYear(cy);
	td.setMonth(cm);
	cd=td.getDay();
	swz_getObj('mns').innerHTML=swz_mn[cm]+ ' ' + cy;
	marr=((cy%4)==0)?swz_mnl:swz_mnn;
	for(var d=1;d<=42;d++) {
		swz_f_precps(swz_getObj('v'+parseInt(d)));
		if ((d >= (cd+1)) && (d<=cd-(-marr[cm]))) {
			dip=((d-cd < sd)&&(cm==swz_sccm)&&(cy==swz_sccy));
			htd=((hd!='')&&(d-cd==hd));
			if (dip)
				swz_f_cpps(swz_getObj('v'+parseInt(d)));
			else if (htd)
				swz_f_hds(swz_getObj('v'+parseInt(d)));
			else
				swz_f_cps(swz_getObj('v'+parseInt(d)));

			swz_getObj('v'+parseInt(d)).onmouseover=(dip)?null:swz_cs_over;
			swz_getObj('v'+parseInt(d)).onmouseout=(dip)?null:swz_cs_out;
			swz_getObj('v'+parseInt(d)).onclick=(dip)?null:swz_cs_click;

			swz_getObj('v'+parseInt(d)).innerHTML=d-cd;	
			swz_calvalarr[d]=''+cy+'-'+((cm+1)<10?'0':'')+(cm+1)+'-'+((d-cd)<10?'0':'')+(d-cd);
		}
		else {
			swz_getObj('v'+d).innerHTML='&nbsp;';
			swz_getObj('v'+parseInt(d)).onmouseover=null;
			swz_getObj('v'+parseInt(d)).onmouseout=null;
			}
	}
}

swz_prepcalendar('',swz_ccm,swz_ccy);
//swz_getObj('swz_fc'+cc).style.visibility='hidden';

function swz_caddm() {
	swz_ccm+=1;
	if (swz_ccm>=12) {
		swz_ccm=0;
		swz_ccy++;
	}
	swz_cdayf();
	swz_prepcalendar('',swz_ccm,swz_ccy);
}

function swz_csubm() {
	swz_ccm-=1;
	if (swz_ccm<0) {
		swz_ccm=11;
		swz_ccy--;
	}
	swz_cdayf();
	swz_prepcalendar('',swz_ccm,swz_ccy);
}

function swz_cdayf() {
if ((swz_ccy>swz_sccy)|((swz_ccy==swz_sccy)&&(swz_ccm>=swz_sccm)))
	return;
else {
	swz_ccy=swz_sccy;
	swz_ccm=swz_sccm;
//	cfd=scfd;
	}
}