var NS4 = navigator.appVersion.indexOf("Nav") > 0 && parseInt(navigator.appVersion) == 4;

var currentActive = false;



function showFeed(id)

{

	if(NS4) return false;



	if (currentActive && currentActive != id) //Hide the current active description

	{

		obj = document.getElementById(currentActive);

		obj.style.display = "none";

	}



	obj = document.getElementById(id); //Show the selected searchresult

	obj.style.display = (obj.style.display=="none" ? "block" : "none");

	currentActive = id;

}



function printThis(id,action,query)

{

	var params="width=570,height=580,toolbar=no,directories=no,status=no,location=no,menubar=no,resizable=no,scrollbars=yes";

	url = "index.php?print=1";

	if (action)

	{

		url+= "&action="+ action +"";

	}

	if (action == 'search')

	{

		url+= "&query="+ query +"";

	}

	if (!action)

	{

		url+="&page="+ id +"";

	}

	

	PopupWindow = window.open(url,'print',params);

	PopupWindow.focus();

}

function SendToPrinter()

{

	window.print();

//	self.close();

	return false;

}

function validate_form( formName )

{

  var errors  = "";

  var empty   = "";

  var numbers = "";

  var emails  = "";

  var list_selection = "";



  if( fields2validate )

  {

    for( var i = 0; i < fields2validate.length; i++ )

    {

      name = fields2validate[i][0];

      type = fields2validate[i][1];

      label = fields2validate[i][2];

      if( type != 'checkbox' && type != 'list' && type != 'postcode' ) str = eval('document.'+ formName +'.'+ name +'.value');

      switch( type )

      {

        case('text'):

          if( isblank( str ) ) 

          {

            empty +='-'+ label +"\n"; 

          }

          break;

        case('textarea'):

          if( isblank( str ) ) 

          {

            empty +='-'+ label +"\n"; 

          }

          break;

        case('number'):

          if( isNaN( parseInt( str ) ) )

          {

            numbers +='-'+ label +"\n";

          }

          break;

        case('mail'):

          if( !isEmailValid( str ) )

          {

            emails +='-'+ label +"\n";

          }

          break;

        case('combobox'):

          if(  eval('document.'+ formName +'.'+ name +'.selectedIndex') == '0' ) 

          {

            list_selection +='-'+ label +"\n"; 

          }

          break;

        case('radio'):

          if( !checkRadio( formName, name ) )

          {

            list_selection +='-'+ label +"\n"; 

          }

          break;

        case('checkbox'):

          if( !checkCheckBox( formName, name ) )

          {

            list_selection +='-'+ label +"\n"; 

          }

          break;

        case('list'):

          if( !checkList( formName, name ) )

          {

            list_selection +='-'+ label +"\n"; 

          }

          break;

        case('postcode'):

          if(  eval('document.'+ formName +'.'+ name +'.selectedIndex') == '0' ) 

          {

            list_selection +='-'+ label +"\n"; 

          }

          break;

        case('country'):

          if(  eval('document.'+ formName +'.'+ name +'.selectedIndex') == '0' ) 

          {

            list_selection +='-'+ label +"\n"; 

          }

          break;

      }

    }

  }





  if( empty ) errors+= "\nThe following required field(s) are empty:\n"+ empty;

  if( numbers ) errors+="\nThe following field(s) should be numbers:\n"+ numbers;

  if( emails ) errors+="\nThe following email field(s) are not valid:\n"+ emails;

  if( list_selection ) errors+="\nYou haven't select an element in:\n"+ list_selection;



  if( errors ) 

  {

    str ="____________________________________________________________\n";

    str+="                                                            \n";

    str+="The form was not submitted because of the following error(s)\n";

    str+="Please correct these error(s) and re-submit the form\n";

    str+="____________________________________________________________\n";

    str+= errors;

    alert( str );

    return false;

  }

  return true;

}

function checkRadio( formName, fieldName )

{

    var field = eval('document.'+ formName +'.'+ name );

    for( var i = 0; i < field.length; i++ )

    {

      if( field[i].checked ) return true;

    }

    return false;

}

function checkList( formName, fieldName )

{

  var fields = eval('document.'+ formName );

  for( var i = 0; i < fields.elements.length; i++ )

  {

    if( fields.elements[i].name == fieldName+'[]' ) 

    {

      var n = fields.elements[i].selectedIndex;

      if( n == 0 || n == -1 ) return false;

      else return true;

    }

  }

  return false;

}

function checkCheckBox( formName, fieldName )

{

  var fields = eval('document.'+ formName );

  for( var i = 0; i < fields.elements.length; i++ )

  {

    if( fields.elements[i].name == fieldName+'[]' ) 

    {

      if( fields.elements[i].checked ) return true;

    }

  }

  return false;

}

function isblank(s)

{

  for( var i = 0; i < s.length; i++ )

  {

    var c = s.charAt(i);

    if(( c !=' ') && ( c!='\n') && ( c!='\t')) return false;

  }

  return true;

}



function isEmailValid(emailStr)

{

  var emailPat=/^(.+)@(.+)$/

  var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"

  var validChars="\[^\\s" + specialChars + "\]"

  var quotedUser="(\"[^\"]*\")"

  var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/

  var atom=validChars + '+';

  var word="(" + atom + "|" + quotedUser + ")";

  var userPat=new RegExp("^" + word + "(\\." + word + ")*$");

  var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");

  var matchArray=emailStr.match(emailPat);



  if (matchArray==null) return false;



  var user=matchArray[1];

  var domain=matchArray[2];



  if (user.match(userPat)==null) return false;

  var IPArray=domain.match(ipDomainPat)

  if (IPArray!=null) {

      // this is an IP address

      for (var i=1;i<=4;i++) {

        if (IPArray[i]>255) return false

      }

      return true

  }



  var domainArray=domain.match(domainPat)

  if (domainArray==null) return false



  var atomPat=new RegExp(atom,"g")

  var domArr=domain.match(atomPat)

  var len=domArr.length

  if (domArr[domArr.length-1].length<2 || domArr[domArr.length-1].length>4) return false;



  if (len<2) return false

  return true;

}

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}