text: // Written by Rune Darrud
  // Modified by Ricardo Bartels
  // Copyright (c) 2009-2011 Icinga Development Team (http://www.icinga.org)
  
  function isValidForSubmit(form) {
  	var group = document.getElementById(form);
  	var x, len = group.length;
  	var checkboxvalue = "false";
  	for(x=0; x<len; x++) {
  		if(group[x].checked) {
  			break;
  		}
  	}
  	if(x < len)
  		checkboxvalue = "true";
  
  	if (document.forms[form].CommandButton)
  		document.forms[form].buttonCheckboxChecked.value=checkboxvalue;
  
  	enableDisableButton(form);
  
  	if (checkboxvalue=="false")
  		return false;
  
  	return true;
  }
  
  function enableDisableButton(form) {
  	var disabled = true;
  
  	if (form=='tableformhostcomment' || form=='tableformservicecomment' || form=='tableformhostdowntime' || form=='tableformservicedowntime') {
  		if (document.forms[form].buttonCheckboxChecked.value=='true'){
  			disabled = false;
  		}
  	}
  	if (form=='tableformhost' || form=='tableformservice' ) {
  		if (document.forms[form].buttonValidChoice.value=='true' && document.forms[form].buttonCheckboxChecked.value=='true'){
  			disabled=false;
  		}
  	}
  	
  	if (document.forms[form].CommandButton)
  		document.forms[form].CommandButton.disabled=disabled;
  
  	// update refresh counter
  	icinga_reset_counter();
  }
  
  function showValue(form,arg,schedule_host_check,schedule_host_svc_check) {
  	if (arg!='nothing') {
  		document.forms[form].hiddencmdfield.value = arg;
  		// Set the value to true.
  		document.forms[form].buttonValidChoice.value = 'true';
  
  		if (arg==schedule_host_check || arg==schedule_host_svc_check)
  			document.forms[form].hiddenforcefield.value = 'yes';
  		else
  			document.forms[form].hiddenforcefield.value = 'no';
  
  		enableDisableButton(form);
  	} else {
  		// Set the value to false, cant submit
  		document.forms[form].buttonValidChoice.value = 'false';
  		enableDisableButton(form);
  	}
  }
  
  checked=false;
  function checkAll(form) {
  	var checkboxes = document.getElementById(form);
  	checked = (checked == false) ? true : false;
  	for (var i=0; i < checkboxes.elements.length; i++) {
  		if (checkboxes.elements[i].type == "checkbox" ) {
  			checkboxes.elements[i].checked = checked;
  		}
  	}
  }
  
  function toggle_checkbox(id, form) {
  	var x = document.getElementById(id);
  
  	x.checked = ( x.checked == true ) ? false : true;
  
  	isValidForSubmit(form);
  
  	return true;
  }
  