function addEvent(obj, evType, fn) { 
	 if (obj.addEventListener) { 
	   	obj.addEventListener(evType, fn, false); 
	   	return true; 
	 } 
	 else if (obj.attachEvent) { 
	   	var r = obj.attachEvent("on" + evType, fn); 
	   	return r; 
	 } 
	 else { 
	   return false; 
	 } 
}

var Cookie = {
	setValue: function(c_name, c_value) {
		document.cookie = c_name + "=" + escape(c_value) + ";path=/";
	},
	getValue: function(c_name) {
        if (document.cookie.length > 0) {
          c_start = document.cookie.indexOf(c_name + "=");
          if (c_start != -1) { 
            c_start = c_start + c_name.length + 1; 
            c_end = document.cookie.indexOf(";", c_start);
            if (c_end == -1) {
               c_end=document.cookie.length;
            }
            return unescape(document.cookie.substring(c_start, c_end));
          } 
        } else {
            return "";
        }
        return "";
	},
	setVisitorTracking: function() {
	    c_value = Cookie.getValue("UWCU");
	    if(c_value == "") {
	        visitor_id = Date.parse(Date()) + Math.random();
	        Cookie.setValue("UWCU",visitor_id);
	    } else {
	    } 
	}
};
var WaterMark = {
    focusE: function(tb) {
        if(tb.value==tb.defaultValue) { 
            tb.value = ""; 
            tb.className = "non-watermark";
        }
    },
    blurE: function(tb) {
        if(tb.value=='') {
            tb.value = tb.defaultValue;
            tb.className = "watermark";
        }
    }
};
addEvent(window, 'load', Cookie.setVisitorTracking);