Merging the Limesurvey 1.91+ branch of queXS in to the trunk

include/limesurvey/classes/dTexts/dFunctions/dFunctionHide.php

@@ -0,0 +1,50 @@
+<?php
+
+class dFunctionHide implements dFunctionInterface
+{
+	public function __construct()
+	{
+	}
+	
+	public function run($args)
+	{
+		
+		$funcName=array_shift($args);
+		try
+		{
+			$func = dTexts::loadFunction($funcName);
+			$newStr = $func->run($args);
+			if(strtolower($newStr)=='true'){
+				$id=time().rand(0,100);
+				$hideJS=<<<EOF
+		<div id="hide_$id" style="display:none;"/>
+		<script	type="text/javascript">
+		 	var elem = $('#hide_$id').parent();
+		 	if(elem.is("li")){
+				elem.css('display','none');
+			}else{
+				elem = elem.parent();
+				if(elem.is("li")){
+					elem.css('display','none');
+				}else{
+					elem = elem.parent();
+					if(elem.is("li")){
+						elem.css('display','none');
+					}
+				}			
+			}
+			
+			
+		</script>
+EOF;
+			return $hideJS;			
+			}
+		}
+		catch(Exception $e)
+		{
+			throw $e;
+		}
+		return '';
+		
+	}
+}