巴巴运动网源码 传智博客出品 不全 一部分代码 可以参考

					function comment_support(commentid){
						if(commentid != getCookie("currentCommentID")){
							var form = document.forms["supportOropposeForm"];
							form.method.value = "support";
							form.productId.value = commentid;			
							var objspcount = document.getElementById('spcount_'+ commentid);			
							form.submit();
							objspcount.innerText = parseInt(objspcount.innerText) +1;
							document.getElementById("commentiframe").src="about:blank"
							setCookie("currentCommentID", commentid, 10*60);
						}else{
							alert("您已经为该贴投过票");
						}
					}
				
				    function comment_oppose(commentid){
						if(commentid != getCookie("currentCommentID")){
							var form = document.forms["supportOropposeForm"];
							form.method.value = "oppose";
							form.productId.value = commentid;
							var objopcount = document.getElementById('opcount_'+ commentid); 			
							form.submit();
							objopcount.innerText = parseInt(objopcount.innerText) +1;
							document.getElementById("commentiframe").src="about:blank"
							setCookie("currentCommentID", commentid, 10*60);
						}else{
							alert("您已经为该贴投过票");
						}
					}