Index: trunk/kernel/admin_templates/incs/script.js
===================================================================
diff -u -r4199 -r4243
--- trunk/kernel/admin_templates/incs/script.js	(.../script.js)	(revision 4199)
+++ trunk/kernel/admin_templates/incs/script.js	(.../script.js)	(revision 4243)
@@ -1,5 +1,4 @@
-if( !( isset($init_made) && $init_made ) )
-{
+if ( !( isset($init_made) && $init_made ) ) {
 	var Grids = new Array();
 	var Toolbars = new Array();
 	var $Menus = new Array();
@@ -11,8 +10,64 @@
 	var submitted = false;
 	var $edit_mode = false;
 	var $init_made = true; // in case of double inclusion of script.js :)
+	
+	// hook processing
+	var hBEFORE	= 1; // this is const, but including this twice causes errors
+	var hAFTER	= 2; // this is const, but including this twice causes errors
+	var $hooks = new Array();
 }
 
+function getArrayValue()
+{
+	var $value = arguments[0];
+	var $current_key = 0;
+	$i = 1;
+	while ($i < arguments.length) {
+		$current_key = arguments[$i];
+		if (isset($value[$current_key])) {
+			$value = $value[$current_key];
+		}
+		else {
+			return false;
+		}
+		$i++;
+	}
+	return $value;
+}
+
+function setArrayValue()
+{
+	// first argument - array, other arguments - keys (arrays too), last argument - value
+	var $array = arguments[0];
+	var $current_key = 0;
+	$i = 1;
+	while ($i < arguments.length - 1) {
+		$current_key = arguments[$i];
+		if (!isset($array[$current_key])) {
+			$array[$current_key] = new Array();
+		}
+		$array = $array[$current_key];
+		$i++;
+	}
+	$array[$array.length] = arguments[arguments.length - 1];
+}
+
+function processHooks($function_name, $hook_type)
+{
+	var $i = 0;
+	var $local_hooks = getArrayValue($hooks, $function_name, $hook_type);
+	
+	while($i < $local_hooks.length) {
+		$local_hooks[$i]($function_name);
+		$i++;
+	}
+}
+
+function registerHook($function_name, $hook_type, $hook_body)
+{
+	setArrayValue($hooks, $function_name, $hook_type, $hook_body);
+}
+
 function resort_grid(prefix_special,field,form_action)
 {
 	set_hidden_field(prefix_special+'_Sort1', field);
@@ -255,7 +310,7 @@
 	if(!isset($width)) $width=750;
 	if(!isset($height)) $height=400;
 	if(!isset($event)) $event='';
-
+	processHooks('openSelector', hBEFORE);
 	cur_opener = get_hidden_field('m_opener');
 	set_hidden_field('m_opener','p');
 
@@ -265,6 +320,7 @@
 	var old_action = document.kernel_form.action;
 	document.kernel_form.action = $url;
 	submit_event($prefix,$event,$t);
+	processHooks('openSelector', hAFTER);
 	document.kernel_form.action = old_action;
 	set_hidden_field('m_opener',cur_opener);
 }
@@ -723,12 +779,53 @@
 	{
 		var $src_html = $aSelect.options[$src_num].innerHTML;
 		var $dst_html = $aSelect.options[$dst_num].innerHTML;
-
-		var $src_option = new Option($aSelect.options[$src_num].innerHTML, $aSelect.options[$src_num].value);
-		$src_option.innerHTML = $src_html;
-		var $dst_option = new Option($aSelect.options[$dst_num].innerHTML, $aSelect.options[$dst_num].value);
+		var $src_value = $aSelect.options[$src_num].value;
+		var $dst_value = $aSelect.options[$dst_num].value;
+		
+		var $src_option = document.createElement('OPTION');
+		var $dst_option = document.createElement('OPTION');
+		
+		$aSelect.remove($src_num);
+		$aSelect.options.add($dst_option, $src_num);
+		$dst_option.innerText = $dst_html;
+		$dst_option.value = $dst_value;
 		$dst_option.innerHTML = $dst_html;
-
-		$aSelect.options[$src_num] = $dst_option;
-		$aSelect.options[$dst_num] = $src_option;
-	}
\ No newline at end of file
+		
+		$aSelect.remove($dst_num);
+		$aSelect.options.add($src_option, $dst_num);
+		$src_option.innerText = $src_html;
+		$src_option.value = $src_value;
+		$src_option.innerHTML = $src_html;
+	}
+	
+	function getXMLHTTPObject()
+    {
+    	var http_request = false;
+        if (window.XMLHttpRequest) { // Mozilla, Safari,...
+            http_request = new XMLHttpRequest();
+            if (http_request.overrideMimeType) {
+                http_request.overrideMimeType('text/plain');
+                // See note below about this line
+            }
+        } else if (window.ActiveXObject) { // IE
+            try {
+                http_request = new ActiveXObject("Msxml2.XMLHTTP");
+            } catch (e) {
+                try {
+                    http_request = new ActiveXObject("Microsoft.XMLHTTP");
+                } catch (e) {}
+            }
+        }
+        return http_request;
+    }
+    
+    function str_repeat($symbol, $count)
+	{
+		var $i = 0;
+		var $ret = '';
+		while($i < $count) {
+			$ret += $symbol;
+			$i++;
+		}
+		return $ret;
+	}