function functies_class ()
{
	
	this.onBlur		= function (text)
	{
		if (text.value == '')
		{
			text.value = text.defaultValue
			text.style.color = "#A09F9F";
		}
	};
	
	this.onFocus	= function (text)
	{
		if (text.value == text.defaultValue)
		{
			text.value = '';
			text.style.color = "#000000";
		}
	};
	
	
	this.nav 		= function (num)
	{
		var i = 0;
		var a = document.getElementsByTagName('span');
		while (element = a[i++]) {
		  if (element.className == "navactive") {
		    a[i-1].className = 'nav';
		  }
		}
		
		var nu = document.getElementById(num);
		nu.className = 'navactive';
		
	};
	
};
var functies = new functies_class();