// JavaScript Document

   var http_request = false;
   var spanname;
   var check;
   var checkbox;
   var chkspan;
   function makePOSTRequest(url, parameters,span) {
      http_request = false;
      if (window.XMLHttpRequest) { // Mozilla, Safari,...
         http_request = new XMLHttpRequest();
         if (http_request.overrideMimeType) {
         	// set type accordingly to anticipated content type
            //http_request.overrideMimeType('text/xml');
            http_request.overrideMimeType('text/html');
         }
      } else if (window.ActiveXObject) { // IE
         try {
            http_request = new ActiveXObject("Msxml2.XMLHTTP");
         } catch (e) {
            try {
               http_request = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) {}
         }
      }
      if (!http_request) {
         alert('Cannot create XMLHTTP instance');
         return false;
      }
	  spanname=span;    
      http_request.onreadystatechange = alertContents;

      http_request.open('POST', url, true);
      http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
      http_request.setRequestHeader("Content-length", parameters.length);
      http_request.setRequestHeader("Connection", "close");
      http_request.send(parameters);
   }

   function alertContents(span) {
      if (http_request.readyState == 4) {
         if (http_request.status == 200) {
          
            result = http_request.responseText;
		    spanname.innerHTML=spanname.innerHTML.replace('Processing','');	
			var chbox=' ';
			
			if(result.indexOf('Not Available')==-1)
			{
				
				 chbox=spanname.innerHTML;
				 chbox=chbox.replace('Available','');
				 chbox=chbox.replace('Booked','');
		
			}
			else
			{
				spanname.className='slotbookstylebooked';
				chkspan.innerHTML='';
				}
				
				
				
				
				
            spanname.innerHTML = chbox+result;            
 		 //  changeOpac(100, 'caldiv');
		   realseAll();
			
         } else {
            alert('There was a problem with the request.');
         }
      }
   }
   
   function get(obj,span,chk) {
              
   var poststr = "slot=" + encodeURI( obj.slot.value) +
                 "&slottime=" + encodeURI( obj.slottime.value )+
				 "&rackid=" + encodeURI( obj.rackId.value )+
 				 "&price=" + encodeURI( obj.price.value )+
				 "&shiftdate=" + encodeURI( obj.shiftdate.value )+
  				 "&slotstart=" + encodeURI( obj.slotstart.value )+
  				 "&slotend=" + encodeURI( obj.slotend.value )+
				 "&bookslot=" + encodeURI( obj.bookslot.checked );
				 span.innerHTML='<span class=errortext>Processing</span>';
				
				 
				 chkspan=chk;
                 makePOSTRequest('booking.php', poststr,span);
				
			   
			  
   }