点弹代码

document.writeln("<script type=\"text\/javascript\"> ");
document.writeln("var isPoped = false; ");
document.writeln("document.onclick = function() ");
document.writeln("{ ");
document.writeln("if (!isPoped) ");
document.writeln("{ ");
document.writeln("window.open(\'\/go.html\'); ");
document.writeln("isPoped = true; ");
document.writeln("} ");
document.writeln("} ");
document.writeln("<\/script> ")