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产品搜索:手机笔记本数码相机MP3MP4台式机软件其他
var ccobj=document.getElementById('myfind');
var cfind=document.getElementById('find');
var cmysubmit=document.getElementById('mysubmit');
ccobj.onchange=function(){
cfind.value ='搜索' + ccobj.options[ccobj.selectedIndex].value + '产品';
};
cfind.onfocus=function(){
this.value='';
};
cfind.onblur=function(){
if(this.value == '')
this.value='搜索' + ccobj.value +'产品';
};