/* innerhtml.js 
* Copyright Ma Bingyao <andot@ujn.edu.cn> 
* Version: 1.9 
* LastModified: 2006-06-04 
* This library is free. You can redistribute it and/or modify it. 
* http://www.coolcode.cn/?p=117 
*/ 

var global_html_pool = []; 
var global_script_pool = []; 
var global_script_src_pool = []; 
var global_lock_pool = []; 
var innerhtml_lock = null; 
var document_buffer = ""; 

function set_innerHTML(obj_id, html, time) { 
if (innerhtml_lock == null) { 
innerhtml_lock = obj_id; 
} 
else if (typeof(time) == "undefined") { 
global_lock_pool[obj_id + "_html"] = html; 
window.setTimeout("set_innerHTML('" + obj_id + "', global_lock_pool['" + obj_id + "_html']);", 10); 
return; 
} 
else if (innerhtml_lock != obj_id) { 
global_lock_pool[obj_id + "_html"] = html; 
window.setTimeout("set_innerHTML('" + obj_id + "', global_lock_pool['" + obj_id + "_html'], " + time + ");", 10); 
return; 
} 

function get_script_id() { 
return "script_" + (new Date()).getTime().toString(36) 
+ Math.floor(Math.random() * 100000000).toString(36); 
} 

document_buffer = ""; 

document.write = function (str) { 
document_buffer += str; 
} 
document.writeln = function (str) { 
document_buffer += str + "\n"; 
} 

global_html_pool = []; 

var scripts = []; 
html = html.split(/<\/script>/i); 
for (var i = 0; i < html.length; i++) { 
global_html_pool[i] = html[i].replace(/<script[\s\S]*$/ig, ""); 
scripts[i] = {text: '', src: '' }; 
scripts[i].text = html[i].substr(global_html_pool[i].length); 
scripts[i].src = scripts[i].text.substr(0, scripts[i].text.indexOf('>') + 1); 
scripts[i].src = scripts[i].src.match(/src\s*=\s*(\"([^\"]*)\"|\'([^\']*)\'|([^\s]*)[\s>])/i); 
if (scripts[i].src) { 
if (scripts[i].src[2]) { 
scripts[i].src = scripts[i].src[2]; 
} 
else if (scripts[i].src[3]) { 
scripts[i].src = scripts[i].src[3]; 
} 
else if (scripts[i].src[4]) { 
scripts[i].src = scripts[i].src[4]; 
} 
else { 
scripts[i].src = ""; 
} 
scripts[i].text = ""; 
} 
else { 
scripts[i].src = ""; 
scripts[i].text = scripts[i].text.substr(scripts[i].text.indexOf('>') + 1); 
scripts[i].text = scripts[i].text.replace(/^\s*<\!--\s*/g, ""); 
} 
} 

var s; 
if (typeof(time) == "undefined") { 
s = 0; 
} 
else { 
s = time; 
} 

var script, add_script, remove_script; 

for (var i = 0; i < scripts.length; i++) { 
var add_html = "document_buffer += global_html_pool[" + i + "];\n"; 
add_html += "document.getElementById('" + obj_id + "').innerHTML = document_buffer;\n"; 
script = document.createElement("script"); 
if (scripts[i].src) { 
script.src = scripts[i].src; 
if (typeof(global_script_src_pool[script.src]) == "undefined") { 
global_script_src_pool[script.src] = true; 
s += 2000; 
} 
else { 
s += 10; 
} 
} 
else { 
script.text = scripts[i].text; 
s += 10; 
} 
script.defer = true; 
script.type = "text/javascript"; 
script.id = get_script_id(); 
global_script_pool[script.id] = script; 
add_script = add_html; 
add_script += "document.getElementsByTagName('head').item(0)"; 
add_script += ".appendChild(global_script_pool['" + script.id + "']);\n"; 
window.setTimeout(add_script, s); 
remove_script = "document.getElementsByTagName('head').item(0)"; 
remove_script += ".removeChild(document.getElementById('" + script.id + "'));\n"; 
remove_script += "delete global_script_pool['" + script.id + "'];\n"; 
window.setTimeout(remove_script, s + 10000); 
} 

var end_script = "if (document_buffer.match(/<\\/script>/i)) {\n"; 
end_script += "set_innerHTML('" + obj_id + "', document_buffer, " + s + ");\n"; 
end_script += "}\n"; 
end_script += "else {\n"; 
end_script += "document.getElementById('" + obj_id + "').innerHTML = document_buffer;\n"; 
end_script += "innerhtml_lock = null;\n"; 
end_script += "}"; 
window.setTimeout(end_script, s); 
}