复制代码 代码如下:

<script type=\"text/javascript\">
function tt1(){
alert(\'tt1\') ;
}
function tt2(){
alert(\'tt2\') ;
}
function tt3(){
alert(\'tt3\') ;
}
function addLoadEvent(func) {
var oldonload = window.onload;
if (typeof window.onload != \'function\') {
window.onload = func;
} else {
window.onload = function() {
oldonload();
func();
}
}
}
addLoadEvent(tt1()) ;
addLoadEvent(tt2()) ;
addLoadEvent(tt3()) ;
</script>