messages=new Array()
messages[0]=""
messages[1]=""
messages[2]="<img src=\"images/icon.gif\" width=\"350\" height=\"1\"><img src=\"images/bb.gif\"> <a href=\"trait.htm\" class=\"a_link\">产品特点</a>    <img src=\"images/bb.gif\"> <a href=\"use.htm\" class=\"a_link\">产品用途</a>"

messages[3]=""
messages[4]=""
function changeText(num){
		//alert('asdf'+messages[num]);
        divMessage.innerHTML = messages[num];
}

function cleanText(){
        divMessage.innerHTML = '';
}