//========================= 设置字体大中小 start =============
function doZoom(size){
	/*var artibody = document.getElementById("artibody");
	if(!artibody){
		return;
	}
	var artibodyChild = artibody.childNodes;
	artibody.style.fontSize = size + "px";
	//再对artibody div内的直接html节点设置fontSize属性
	for(var i = 0; i < artibodyChild.length; i++){
		if(artibodyChild[i].nodeType == 1){
			artibodyChild[i].style.fontSize = size + "px";
		}
	}*/
	var artibody = document.getElementById("artibody");
	artibody.className = "blkContainerSblkCon blkContainerSblkCon_" + size;
}
//========================= 设置字体大中小 end =============