var dom = (document.getElementById) ? true : false;
var ns5 = (!document.all && dom || window.opera) ? true: false;
var ie5 = ((navigator.userAgent.indexOf("MSIE")>-1) && dom) ? true : false;
var ie4 = (document.all && !dom) ? true : false;
var nodyn = (!ns5 && !ie4 && !ie5 && !dom) ? true : false;

var origWidth, origHeight;
if (nodyn) { event = "nope" }


var tipFollowMouse= true;	

var tipWidth= 100;
var offX= 30;	
var offY= 0; 
var tipFontFamily= "Verdana, arial, helvetica, sans-serif";
var tipFontSize= "8pt";

var tipFontColor= "#000000";
//var tipBgColor= "#DDECFF"; 
//var tipBorderColor= "#000080";
var tipBorderWidth= 0;
var tipBorderStyle= "ridge";
var tipPadding= 2;
//tipcss.backgroundColor = tipBgColor;
//tipcss.borderColor = tipBorderColor;

var tooltip, tipcss;
function initTip() {
	if (nodyn) return;
	tooltip = (ie4)? document.all['tipDiv']: (ie5||ns5)? document.getElementById('tipDiv'): null;
	tipcss = tooltip.style;
	if (ie4||ie5||ns5) {	// ns4 would lose all this on rewrites
		tipcss.width = tipWidth+"px";
		tipcss.fontFamily = tipFontFamily;
		tipcss.fontSize = tipFontSize;
		tipcss.color = tipFontColor;

		tipcss.borderWidth = tipBorderWidth+"px";
		tipcss.padding = tipPadding+"px";
		tipcss.borderStyle = tipBorderStyle;
	}
	if (tooltip&&tipFollowMouse) {
		document.onmousemove = trackMouse;
	}
}

window.onload = initTip;

function nuevoAjax()
{
	var xmlhttp=false;
	try 
	{
		xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
	} 
	catch (e) 
	{
		try 
		{
			xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
		} 
		catch (E) 
		{
			xmlhttp = false;
		}
	}
	if (!xmlhttp && typeof XMLHttpRequest!='undefined') 
	{
		xmlhttp = new XMLHttpRequest();
	}
	return xmlhttp;
}
function cargarContenido(url)
{
	ajax=nuevoAjax();
	ajax.open("GET", "../imagen.php?foto=" + url,true);
	ajax.onreadystatechange=function() 
	{
		if (ajax.readyState==4) 
		{
			if(ajax.status == 200)
				tooltip.innerHTML = ajax.responseText;
			else
				tooltip.innerHTML='<span style="color:#FF0000;font-weight:bold;background-color:#FFFFFF"><img src="../imagenesweb/cargando.gif">Cargando</span>';
		}
		else
			tooltip.innerHTML='<span style="color:#FF0000;font-weight:bold;background-color:#FFFFFF"><img src="../imagenesweb/cargando.gif">Cargando</span>';
	}
	ajax.send(null)
}


function cargarContenido2(url)
{
	ajax=nuevoAjax();
	ajax.open("GET", "../imagen2.php?foto=" + url,true);
	ajax.onreadystatechange=function() 
	{
		if (ajax.readyState==4) 
		{
			if(ajax.status == 200)
				tooltip.innerHTML = ajax.responseText;
			else
				tooltip.innerHTML='<span style="color:#FF0000;font-weight:bold;background-color:#FFFFFF"><img src="../imagenesweb/cargando.gif">Cargando</span>';
		}
		else
			tooltip.innerHTML='<span style="color:#FF0000;font-weight:bold;background-color:#FFFFFF"><img src="../imagenesweb/cargando.gif">Cargando</span>';
	}
	ajax.send(null)
}

var t1,t2;	
var tipOn = false;

function mostrarImagen(evt,imagen) {
	if (!tooltip) return;
		if (t1) clearTimeout(t1);	if (t2) clearTimeout(t2);
	tipOn = true;
	//if (ie4||ie5||ns5) 
		cargarContenido(imagen);
	
	if (!tipFollowMouse) positionTip(evt);
	else t1=setTimeout("tipcss.visibility='visible'",100);
}
	
function mostrarImagen2(evt,imagen) {
	if (!tooltip) return;
		if (t1) clearTimeout(t1);	if (t2) clearTimeout(t2);
	tipOn = true;
	//if (ie4||ie5||ns5) 
		cargarContenido2(imagen);
	
	if (!tipFollowMouse) positionTip(evt);
	else t1=setTimeout("tipcss.visibility='visible'",100);
}

var mouseX, mouseY;
function trackMouse(evt) {
	standardbody=(document.compatMode=="CSS1Compat")? document.documentElement : document.body //create reference to common "body" across doctypes
	mouseX = (ns5)? evt.pageX: window.event.clientX + standardbody.scrollLeft;
	mouseY = (ns5)? evt.pageY: window.event.clientY + standardbody.scrollTop;
	if (tipOn) positionTip(evt);
}

function positionTip(evt) {
	if (!tipFollowMouse) {
		mouseX = (ns5)? evt.pageX: window.event.clientX + standardbody.scrollLeft;
		mouseY = (ns5)? evt.pageY: window.event.clientY + standardbody.scrollTop;
	}

	var tpWd = (ie4||ie5)? tooltip.clientWidth: tooltip.offsetWidth;
	var tpHt = (ie4||ie5)? tooltip.clientHeight: tooltip.offsetHeight;

	var winWd = (ns5)? window.innerWidth-20+window.pageXOffset: standardbody.clientWidth+standardbody.scrollLeft;
	var winHt = (ns5)? window.innerHeight-20+window.pageYOffset: standardbody.clientHeight+standardbody.scrollTop;

	if ((mouseX+offX+tpWd)>winWd) 
		tipcss.left = mouseX-(tpWd+offX)+"px";
	else tipcss.left = mouseX+offX+"px";
	if ((mouseY+offY+tpHt)>winHt) 
		tipcss.top = winHt-(tpHt+offY)+"px";
	else tipcss.top = mouseY+offY+"px";
	if (!tipFollowMouse) t1=setTimeout("tipcss.visibility='visible'",100);
}

function ocultarImagen() {
	if (!tooltip) return;
	t2=setTimeout("tipcss.visibility='hidden'",100);
	tipOn = false;
}

function ocultarImagen2() {
	if (!tooltip) return;
	t2=setTimeout("tipcss.visibility='hidden'",100);
	tipOn = false;
}

document.write('<div id="tipDiv" style="position:absolute; visibility:hidden; z-index:100"></div>');