var Author = {
    disableCopy: function(elem) {
	dojo.event.connect( document, 'onmouseup', function(e) {
	    var is_selection_in_element = function(element) {
		if (dojo.doc()["selection"]) {
                    var range = dojo.doc().selection.createRange();
                    if (range && range.item) {
			var check = false;
			for( i=0; i< range.item.length; i++ ) {
			    if( dojo.dom.isDescendantOf( range.item[i], element ) ) {
				check = true;
			    }
			}
			return check;
                    }
		} else {
                    var selection = dojo.global().getSelection();
		    var n = selection.anchorNode;
		    // dojo.debug( "select: " + selection.anchorNode.childNodes + "offseT:  " + selection.anchorOffset  + "root: " + element );
		    return( dojo.dom.isDescendantOf( n, element ) || dojo.dom.isDescendantOf( selection.focusNode, element ) );
		}
	    }
	    elem = dojo.byId( elem );
	    var selection = window.getSelection();
	    selText = window.getSelection();
	    if( selText == '' || selText.length <= 1 ) {
		return;
	    }
	    if( elem.copyright_warning == 1 ) return;
	    if( !is_selection_in_element( elem ) ) return;
	    dojo.html.clearSelection();
	    alert( "Note: Copying articles from this site without purchasing them is a *violation* of copyright." );
	    elem.copyright_warning = '1';
	    if( !dojo.html.disableSelection( elem ) ) {
		elem.copyright_warning = 0 ;
	    }
	} );
    }
}