var tooltip=function(){
	var id = 'tt';
	var top = 3;
	var left = -58;
	var maxw = 300;
	var speed = 100;
	var timer = 5;
	var endalpha = 195;
	var alpha = 0;
	var tt,t,c,b,h;
	var ie = document.all ? true : false;
	return{
		show:function(v,w){
			if(tt == null){
				tt = document.createElement('div');
				tt.setAttribute('id',id);
				t = document.createElement('div');
				t.setAttribute('id',id + 'top');
				c = document.createElement('div');
				c.setAttribute('id',id + 'cont');
				b = document.createElement('div');
				b.setAttribute('id',id + 'bot');
				tt.appendChild(t);
				tt.appendChild(c);
				tt.appendChild(b);
				document.body.appendChild(tt);
				tt.style.opacity = 0;
				tt.style.filter = 'alpha(opacity=0)';
				document.onmousemove = this.pos;
			}
			tt.style.display = 'block';
			c.innerHTML = v;
			tt.style.width = w ? w + 'px' : 'auto';
			if(!w && ie){
				t.style.display = 'none';
				b.style.display = 'none';
				tt.style.width = tt.offsetWidth;
				t.style.display = 'block';
				b.style.display = 'block';
			}
			if(tt.offsetWidth > maxw){tt.style.width = maxw + 'px'}
			h = parseInt(tt.offsetHeight) + top;
			clearInterval(tt.timer);
			tt.timer = setInterval(function(){tooltip.fade(1)},timer);
		},
		pos:function(e){
			var u = ie ? event.clientY + document.documentElement.scrollTop : e.pageY;
			var l = ie ? event.clientX + document.documentElement.scrollLeft : e.pageX;
			tt.style.top = (u - h) + 'px';
			tt.style.left = (l + left) + 'px';
		},
		fade:function(d){
			var a = alpha;
			if((a != endalpha && d == 1) || (a != 0 && d == -1)){
				var i = speed;
				if(endalpha - a < speed && d == 1){
					i = endalpha - a;
				}else if(alpha < speed && d == -1){
					i = a;
				}
				alpha = a + (i * d);
				tt.style.opacity = alpha * .01;
				tt.style.filter = 'alpha(opacity=' + alpha + ')';
			}else{
				clearInterval(tt.timer);
				if(d == -1){tt.style.display = 'none'}
			}
		},
		hide:function(){
			clearInterval(tt.timer);
			tt.timer = setInterval(function(){tooltip.fade(-1)},timer);
		}
	};
}();




//suscribe email

var xmlhttp;
function save()
{
	var email=document.getElementById("email").value;
	
	if (email=="")
	{
		alert("Please Enter E-mail");
		document.getElementById("email").focus();
		return false;
	}
	
	var emailreg = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	if (!email.match(emailreg))
	{
		alert("Please Enter Valid E-mail");
		document.getElementById("email").focus();
		return false;
	}
	xmlhttp=GetXmlHttpObject();
	if (xmlhttp==null)
	{
		alert("Please udgrade your browser");
		return false;
	}
	
	
	var url="save_email.php?email="+email;
	//alert(url);
	xmlhttp.onreadystatechange=stateChange;
	
	xmlhttp.open("POST",url,true);
	xmlhttp.send(null);
	//alert(url);
	
	
	function stateChange()
	{
		if (xmlhttp.readyState==4)
		{
			//alert(xmlhttp.responseText);
			document.getElementById("msg").innerHTML=xmlhttp.responseText;
			var val=document.getElementById("msg").innerHTML;
			var a=val.search("Thanks");
            if (a==-1)
			{
			document.getElementById("msg").style.display='';
			document.getElementById("text1").style.display='';
			document.getElementById("email").value='';
			 }
			 else
			 {
			 document.getElementById("msg").style.display='';
			 document.getElementById("text1").style.display='none';
		
			 }
					
		}
	}
	function GetXmlHttpObject()
	{
		
		if (window.XMLHttpRequest)
		return new XMLHttpRequest;
		if (window.ActiveXObject)
		return new ActiveXObject("Microsoft.XMLHTTP");
		return null;
	}
			
}
	
	function show_overview()
	{}
	function hide_overview()
	{}