通过html字符串连接组合并调用javascript函数

----通过字符串连接并调用javascript函数--
                                                                var t_html = $("#Photo").html();
								var n_html = "<a id=\""+_index +"\"";
								var type=‘image‘;
								n_html = n_html + ‘ontouchstart="gtouchstart(999‘+_index+‘)" ontouchmove="gtouchmove(999‘+_index+‘)" ontouchend="gtouchend(999‘+_index+‘)"‘;
								n_html = n_html + " href=\"" + _image[k] + "\"> <img src=\"" + _image[k] + "\"></a>";
								$("#Photo").html(n_html + t_html);


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函数定义
function gtouchstart(m_index){ 
......
}

[INFO:CONSOLE(1)] "Uncaught ReferenceError: i1 is not defined", source: file:///android_asset/Web/xx.html (1)

			function longPress(m_index){ 
			//转类型
			m_index=m_index+""
			var type=‘‘;
			//前缀为999是图片
			if(m_index.indexOf(‘999‘)>=0)
			{
			type=‘image‘;
			m_index=m_index.substring(3);
			}
                        }