( function( $ ) {
 
    // plugin definition
    $.fn.overlabel = function( options ) {
 
        // build main options before element iteration
        var opts = $.extend( {}, $.fn.overlabel.defaults, options );
 
        var selection = this.filter( 'label[for]' ).map( function() {
 
            var label = $( this );
            var id = label.attr( 'for' );
            var field = document.getElementById( id );
 
            if ( !field ) return;
 
            // build element specific options
            var o = $.meta ? $.extend( {}, opts, label.data() ) : opts;
 
            label.addClass( o.label_class );
 
            var hide_label = function() { label.css( o.hide_css ) };
            var show_label = function() { this.value || label.css( o.show_css ) };
 
            $( field )
                 .parent().addClass( o.wrapper_class ).end()
                 .focus( hide_label ).blur( show_label ).each( hide_label ).each( show_label );
 
            return this;
 
        } );
 
        return opts.filter ? selection : selection.end();
    };
 
    // publicly accessible defaults
    $.fn.overlabel.defaults = {
 
        label_class:   'overlabel-apply',
        wrapper_class: 'overlabel-wrapper',
        hide_css:      { 'text-indent': '-10000px' },
        show_css:      { 'text-indent': '0px', 'cursor': 'text' },
        filter:        false
 
    };
 
} )( jQuery );

$(document).ready(function() {
    $("label.overlabel").overlabel();
});



//================================================//
// open links in external windows
//================================================//
function addEvent( obj, type, fn ) {
  if ( obj.attachEvent ) {
    obj['e'+type+fn] = fn;
    obj[type+fn] = function(){obj['e'+type+fn]( window.event );}
    obj.attachEvent( 'on'+type, obj[type+fn] );
  } else
    obj.addEventListener( type, fn, false );
}
function removeEvent( obj, type, fn ) {
  if ( obj.detachEvent ) {
    obj.detachEvent( 'on'+type, obj[type+fn] );
    obj[type+fn] = null;
  } else
    obj.removeEventListener( type, fn, false );
}


/*
JSTarget function by Roger Johansson, www.456bereastreet.com
*/
var JSTarget = {
	init: function(att,val,warning) {
		if (document.getElementById && document.createElement && document.appendChild) {
			var strAtt = ((typeof att == 'undefined') || (att == null)) ? 'class' : att;
			var strVal = ((typeof val == 'undefined') || (val == null)) ? 'non-html' : val;
			var strWarning = ((typeof warning == 'undefined') || (warning == null)) ? ' (opens in a new window)' : warning;
			var oWarning;
			var arrLinks = document.getElementsByTagName('a');
			var oLink;
			var oRegExp = new RegExp("(^|\\s)" + strVal + "(\\s|$)");
			for (var i = 0; i < arrLinks.length; i++) {
				oLink = arrLinks[i];
				if ((strAtt == 'class') && (oRegExp.test(oLink.className)) || (oRegExp.test(oLink.getAttribute(strAtt)))) {
					oWarning = document.createElement("em");
					oWarning.appendChild(document.createTextNode(strWarning));
					oLink.appendChild(oWarning);
					oLink.onclick = JSTarget.openWin;
				}
			}
			oWarning = null;
		}
	},
	openWin: function(e) {
		var event = (!e) ? window.event : e;
		if (event.shiftKey || event.altKey || event.ctrlKey || event.metaKey) return true;
		else {
		    var oWin = window.open(this.getAttribute('href'), '_blank');
			if (oWin) {
				if (oWin.focus) oWin.focus();
				return false;
			}
			oWin = null;
			return true;
		}
	}
};

if(document.getElementById && document.createTextNode)
{
  addEvent(window, 'load', function(){JSTarget.init("class","external","");});
  addEvent(window, 'load', function(){JSTarget.init("rel","external","");});
  addEvent(window, 'load', function(){JSTarget.init("class","pdf","");});
}