var dom       = new Object();
dom.event     = new Object();

dom.event.addEventListener = function(elm,type,func,useCapture){
	if(!elm){
		return false;
	}
	if(!useCapture){
		useCapture = false;
	}
	if(elm.addEventListener){
		elm.addEventListener(type,func,false);
	}
	if(elm.attachEvent){
		elm.attachEvent('on'+type,func);
	}
	else{
		return false;
	}
	return true;
};

//onloadˇ˛‚ɡĄ¨s
dom.event.addEventListener(window,'load',topDel);

document.getElementsByClassName = function (className) {
    var i, j, eltClass;
    var objAll = document.getElementsByTagName ? document.getElementsByTagName("*") : document.all;
    var objCN = new Array();
    for (i = 0; i < objAll.length; i++) {
        eltClass = objAll[i].className.split(/\s+/);
        for (j = 0; j < eltClass.length; j++) {
            if (eltClass[j] == className) {
                objCN.push(objAll[i]);
                break;
            }
        }
    }
    return objCN;
}


function topDel(){
	if(document.getElementsByClassName('dotline').length){
	document.getElementsByClassName('dotline')[0].getElementsByTagName('p')[0].style.backgroundImage = "none";
	}

	if(document.getElementsByClassName('dotline2').length){
	document.getElementsByClassName('dotline2')[0].style.backgroundImage = "none";
	}

	if(document.getElementById('information')){
	document.getElementById('information').getElementsByTagName('ul')[0].getElementsByTagName('li')[0].style.backgroundImage = "none";
	}
}