function submitToggle2 () {
		 if ($('#guest_submit').css('display') == 'none') {
		 $('#guest_submit').slideDown();
		 window.alert("titab");
		 } else {
		 $('#guest_submit').slideUp();
		 window.alert("titab2");
		 }
		 window.alert("titab3");
	}

	function plusToggle(id) {
		if ($('#plus'+id).css('display') == 'none') {
			$('#plus'+id).slideDown();
		} else {
			$('#plus'+id).slideUp();
		}
	}
	
	function docsurl_getbyid(id) {
	
		itm = null;
	
		if (document.getElementById) {
	
			itm = document.getElementById(id);
	
		} else if (document.all)	{
	
			itm = document.all[id];
	
		} else if (document.layers) {
	
			itm = document.layers[id];
	
		}
	
		return itm;
	
	}
	
	function copydocurl(obj){
	
		 var rng = document.body.createTextRange();
	
		 rng.moveToElementText(obj);
	
		 rng.scrollIntoView();
	
		 rng.select();
	
		 rng.execCommand("Copy");
	
		 rng.collapse(false);
	
		 alert('复制成功！粘贴到QQ、MSN、论坛、博客等分享给好友吧！');
	
	}
	
	function copySelectedItem () {
	
		var checks = document.getElementsByName('software');
	
		var str_item = str_info = '';
	
		for (var i = 0, len = checks.length; i < len; i++) {
	
			if (!checks[i].checked) continue;
	
			str_item += docsurl_getbyid('item_' + checks[i].value).innerHTML;
	
			str_info += docsurl_getbyid('info_' + checks[i].value).innerHTML;
	
		}
	
		docsurl_getbyid('container').innerHTML = str_item + '<br /><br />' + str_info;
	
		copydocurl(docsurl_getbyid('container'));
	
	}
	
	 function selectAll(ckboxname){
	
	   o=document.getElementsByName(ckboxname); 
	
	   for(i=0;i<o.length;i++) 
	
	   o[i].checked=event.srcElement.checked 
	
	  }