function getClass(oParent,sclass){
var aEle=oParent.getElementsByTagName('*');
var result=[];
for(var i=0;i<aEle.length;i++){
var sc=aEle[i].className;
if (sc==""){continue;}
var cn=sc.split(" ");
for(var j=0;j<cn.length;j++){
if (cn[j]==sclass) {result.push(aEle[i]);break;};
}
}
return result;}
