$.fn.urlAutoLink = function(baseURL){   
    return this.each(function(){   
        var srcText = this.innerHTML;
        
        if(srcText.indexOf("http://www.nikonclub.co.kr") == -1){
        	this.innerHTML = srcText.replace(/(http:\/\/[\x21-\x7e]+)/gi, "<a href='$1' target='_blank'>$1</a>");
        }
           
    });   
}