//设置textarea的高度
$.fn.autosize = function(){
	$(this).height('0px');
	var setheight = $(this).get(0).scrollHeight;
	if($(this).attr("_height") != setheight)
	$(this).height(setheight+"px").attr("_height",setheight);
	else
	$(this).height($(this).attr("_height")+"px");
}

//设置textarea的聚焦位置
$.fn.selectRange = function(start,end){
	var e = document.getElementById($(this).attr('id'));
	if (e.setSelectionRange) {
		e.focus();
		e.setSelectionRange(start, end);
	}
	else
	if (e.createTextRange) {
		var range = e.createTextRange();
		range.collapse(true);
		range.moveEnd('character', end);
		range.moveStart('character', start);
		range.select();
	}
} 

//判断是否是相应回车键
function isKeyEnter(e)
{
	var theEvent = window.event || e;
	var code = theEvent.keyCode || theEvent.which;
	if(code == 13){
		return true;
	}else{
		return false;
	}
} 

/*
ajax将某URL的HTML显示在指定的ID中
*/
function ajaxShowUrlHtml(url,disp_obj)
{
	var obj = $(disp_obj);
	if (obj=='undefined')
	{
		alert(disp_obj+"不存在");
		return false;
	}
	$.ajax(
	{
		type:'GET',
		url: url,
		dataType: 'html',
		success:function(data) {
			obj.empty();
			obj.html(data); 
		},
		error:function()
		{
			alert('ajaxShowUrlHtml函数调用出错，请联系管理员');
		}
	});
}
//复制到写字板
function copyToClipboard(txt) {
 	if(window.clipboardData) {
 		window.clipboardData.clearData();
 		window.clipboardData.setData("Text", txt);
 		alert("复制成功！");
 	} else if(navigator.userAgent.indexOf("Opera") != -1) {
 		window.location = txt;
 	} else if (window.netscape) {
 		try {
 			netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
 		} catch (e) {
 			alert("被浏览器拒绝！\n请在浏览器地址栏输入'about:config'并回车\n然后将 'signed.applets.codebase_principal_support'设置为'true'");
 		}
 		var clip = Components.classes['@mozilla.org/widget/clipboard;1'].createInstance(Components.interfaces.nsIClipboard);
 		if (!clip)
 		return;
 		var trans = Components.classes['@mozilla.org/widget/transferable;1'].createInstance(Components.interfaces.nsITransferable);
 		if (!trans)
 		return;
 		trans.addDataFlavor('text/unicode');
 		var str = new Object();
 		var len = new Object();
 		var str = Components.classes["@mozilla.org/supports-string;1"].createInstance(Components.interfaces.nsISupportsString);
 		var copytext = txt;
 		str.data = copytext;
 		trans.setTransferData("text/unicode",str,copytext.length*2);
 		var clipid = Components.interfaces.nsIClipboard;
 		if (!clip)
 		return false;
 		clip.setData(trans,null,clipid.kGlobalClipboard);
 		alert("复制成功！")
 	}
 }
 
 $('.building').live('click',function(){
// 	window.open('http://www.gffitness.cn/building.html','','height=320,width=780,top=120px,left=250,toolbar=no,resizable=no,location=no,status=no');
 	window.open('http://fitness.goodfamily.cc');
 })