function change(o,a,b,c,d){
var t=document.getElementById(o).getElementsByTagName("tr");
for(var i=0;i<t.length;i++){
   t[i].style.backgroundColor=(t[i].sectionRowIndex%2==0)?a:b;
   t[i].onclick=function(){
    if(this.x!="1"){
     this.x="1";//本来打算直接用背景色判断，FF获取到的背景是RGB值，不好判断
     this.style.backgroundColor=d;
    }else{
     this.x="0";
     this.style.backgroundColor=(this.sectionRowIndex%2==0)?a:b;
    }
   }
   t[i].onmouseover=function(){
    if(this.x!="1")this.style.backgroundColor=c;
   }
   t[i].onmouseout=function(){
    if(this.x!="1")this.style.backgroundColor=(this.sectionRowIndex%2==0)?a:b;
   }
}
}