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

function 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 checkClick(e) {
 e?evt=e:evt=event;
 CSE=evt.target?evt.target:evt.srcElement;
 if (getObj('fc'))
  if (!isChild(CSE,getObj('fc')))
   getObj('fc').style.display='none';
}

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


function 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 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('<table id="fc" style="z-index: 100; position:absolute;border-collapse:collapse;background:#FFFFFF;border:1px solid #333333;display:none" cellpadding=2>');
document.write('<tr><td style="cursor:pointer; border-bottom: 1px solid #333333;" onclick="csubm()">&lt;</td><td colspan=5 id="mns" align="center" style="font:bold 13px Arial; border-bottom: 1px solid #333333;"></td><td align="right" style="cursor:pointer; border-bottom: 1px solid #333333;" onclick="caddm()">&gt;</td></td></tr>');
document.write('<tr><td align=center style="background:#ABABAB;font:12px Arial">S</td><td align=center style="background:#ABABAB;font:12px Arial">M</td><td align=center style="background:#ABABAB;font:12px Arial">T</td><td align=center style="background:#ABABAB;font:12px Arial">W</td><td align=center style="background:#ABABAB;font:12px Arial">T</td><td align=center style="background:#ABABAB;font:12px Arial">F</td><td align=center style="background:#ABABAB;font:12px Arial">S</td></tr>');
for(var kk=1;kk<=6;kk++) {
 document.write('<tr>');
 for(var tt=1;tt<=7;tt++) {
  num=7 * (kk-1) - (-tt);
  document.write('<td id="v' + num + '" style="width:18px;height:18px">&nbsp;</td>');
 }
 document.write('</tr>');
}
document.write('</table>');

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


// Calendar script
var now = new Date;
var sccm=now.getMonth();
var sccy=now.getFullYear();
var ccm=now.getMonth();
var ccy=now.getFullYear();

var updobj;

function lcs(ielem, draw, xpos, ypos) {
 updobj=ielem;
 // individual position:

 if( true == draw )
 {
  getObj('fc').style.left=xpos;
  getObj('fc').style.top=ypos;
  getObj('fc').style.display='';
  getObj('fc').style.position='absolute'; 
 }
 else
 {
  getObj('fc').style.left=Left(ielem)+"px";
  getObj('fc').style.top=Top(ielem)+ielem.offsetHeight+"px";
  getObj('fc').style.display=''; 
  getObj('fc').style.position='absolute'; 
 }

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

function 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 EvtObj(e){if(!e)e=window.event;return e;}
function cs_over(e) {
 evtTgt(EvtObj(e)).style.background='#000000';
 evtTgt(EvtObj(e)).style.color='#FFFFFF';
}
function cs_out(e) {
 evtTgt(EvtObj(e)).style.background='#CCCCCC';
 evtTgt(EvtObj(e)).style.color='#333333';
}
function cs_click(e) {
 updobj.value=calvalarr[evtTgt(EvtObj(e)).id.substring(1,evtTgt(EvtObj(e)).id.length)];
 getObj('fc').style.display='none';
 
}

var mn=new Array('JAN','FEB','MAR','APR','MAY','JUN','JUL','AUG','SEP','OCT','NOV','DEC');
var mnn=new Array('31','28','31','30','31','30','31','31','30','31','30','31');
var mnl=new Array('31','29','31','30','31','30','31','31','30','31','30','31');
var calvalarr=new Array(42);

function f_cps(obj) {
 obj.style.background='#CCCCCC';
 obj.style.font='10px Arial';
 obj.style.color='#333333';
 obj.style.textAlign='center';
 obj.style.textDecoration='none';
 obj.style.border='1px solid #333333';
 obj.style.cursor='pointer';
}

function f_cpps(obj) {
 obj.style.background='#DDDDDD';
 obj.style.font='10px Arial';
 obj.style.color='#ABABAB';
 obj.style.textAlign='center';
 obj.style.textDecoration='line-through';
 obj.style.border='1px solid #333333';
 obj.style.cursor='default';
}

function f_hds(obj) {
 obj.style.background='#333333';
 obj.style.font='bold 10px Arial';
 obj.style.color='#FFFFFF';
 obj.style.textAlign='center';
 obj.style.border='1px solid #333333';
 obj.style.cursor='pointer';
}

// day selected
function prepcalendar(hd,cm,cy) {
 now=new Date();
 sd=now.getDate();
 td=new Date();
 td.setDate(1);
 td.setFullYear(cy);
 td.setMonth(cm);
 cd=td.getDay();
 getObj('mns').innerHTML=mn[cm]+ ' ' + cy;
 marr=((cy%4)==0)?mnl:mnn;
 for(var d=1;d<=42;d++) {
  f_cps(getObj('v'+parseInt(d)));
  if ((d >= (cd -(-1))) && (d<=cd-(-marr[cm]))) {
   dip=((d-cd < sd)&&(cm==sccm)&&(cy==sccy));
   htd=((hd!='')&&(d-cd==hd));
   if (dip)
    f_cpps(getObj('v'+parseInt(d)));
   else if (htd)
    f_hds(getObj('v'+parseInt(d)));
   else
    f_cps(getObj('v'+parseInt(d)));

   getObj('v'+parseInt(d)).onmouseover=(dip)?null:cs_over;
   getObj('v'+parseInt(d)).onmouseout=(dip)?null:cs_out;
   getObj('v'+parseInt(d)).onclick=(dip)?null:cs_click;
   
   getObj('v'+parseInt(d)).innerHTML=d-cd; 
   calvalarr[d]=''+(d-cd)+'/'+(cm-(-1))+'/'+cy;
  }
  else {
   getObj('v'+d).innerHTML='&nbsp;';
   getObj('v'+parseInt(d)).onmouseover=null;
   getObj('v'+parseInt(d)).onmouseout=null;
   getObj('v'+parseInt(d)).style.cursor='default';
   }
 }
}

prepcalendar('',ccm,ccy);
//getObj('fc'+cc).style.visibility='hidden';

function caddm() {
 marr=((ccy%4)==0)?mnl:mnn;
 
 ccm+=1;
 if (ccm>=12) {
  ccm=0;
  ccy++;
 }
 cdayf();
 prepcalendar('',ccm,ccy);
}

function csubm() {
 marr=((ccy%4)==0)?mnl:mnn;
 
 ccm-=1;
 if (ccm<0) {
  ccm=11;
  ccy--;
 }
 cdayf();
 prepcalendar('',ccm,ccy);
}

function cdayf() {
if ((ccy>sccy)|((ccy==sccy)&&(ccm>=sccm)))
 return;
else {
 ccy=sccy;
 ccm=sccm;
 cfd=scfd;
 }
}