// JavaScript Document
function changeSign(str){
			var strings_new = new Array();
			strings_new = str.split("");
			var i=0;
			var ul_old="<ul id='sign_ul' style='list-style-type:none'>";
			var len = strings_new.length;
			for(i;i<len;i++){
					ul_old+="<li class='new_li' style='display: inline;'>"+strings_new[i]+"</li>";
			}
			ul_old+="</ul>";
			$("#sign").html(ul_old);
			$('.new_li').hide();
			var duration = 100;
			$('.new_li').each(function(n) {
    			$(this).delay(n * duration).fadeIn();
			});
	}