function getElementsClass(classnames){
var classobj= new Array();
var classint=0;
var tags=document.getElementsByTagName("span");
for(var i in tags){
if(tags[i].nodeType==1){
if(tags[i].getAttribute("class") == classnames)
{
classobj[classint]=tags[i];
classint++;
}
}
}
return classobj;
}
var a = getElementsClass("icons1");
//document.getElementById("navigation").innerHTML = "Views：12";
a[0].innerHTML = "Views：23478";