function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}


function abrirCadro(n)
{
	finTapa=false; 
	tapar(n);
}

function pecharCadro()
{
	finTapa=true; 
}

function tapar(msx)
{
	c = "cobertura";
	cm = "foto";	
	
	var elm, elm2;
	
	if(document.getElementById) 
	{
		elm = document.getElementById(c);
		elm2 = document.getElementById(cm);
	}
	else
	{
		elm = document.all[c];
		elm2 = document.all[cm];
	}
	
	if (finTapa)
	{
		elm.style.top = "0px"; 
		elm.style.left = "0px"; 
		elm.style.height = "0px"; 
		elm.style.width = "0px"; 

		mostrarInformacionDirecta(cm,"");

		elm2.style.top = "0px"; 
		elm2.style.left = "0px"; 
		elm2.style.height = "0px"; 
		elm2.style.width = "0px"; 
		
		pasoTapa = 0;
		
		return;		
	}

	pasoTapa += 1;

	var myWidth = 0, myHeight = 0;
	
	if( typeof( window.innerWidth ) == 'number' ) 
	{
		//Non-IE
		myWidth = window.innerWidth;
		myHeight = window.innerHeight;
	} 
	else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) 
	{
		//IE 6+ in 'standards compliant mode'
		myWidth = document.documentElement.clientWidth;
		myHeight = document.documentElement.clientHeight;
	} 
	else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) 
	{
		//IE 4 compatible
		myWidth = document.body.clientWidth;
		myHeight = document.body.clientHeight;
	}
	
	/*
	var scrOfX = 0, scrOfY = 0;	
	
	if( typeof( window.pageYOffset ) == 'number' ) 
	{
		//Netscape compliant
		scrOfY = window.pageYOffset;
		scrOfX = window.pageXOffset;
	} 
	else if( document.body && ( document.body.scrollLeft || document.body.scrollTop ) ) 
	{
		//DOM compliant
		scrOfY = document.body.scrollTop;
		scrOfX = document.body.scrollLeft;
	} 
	else if( document.documentElement && ( document.documentElement.scrollLeft || document.documentElement.scrollTop ) ) 
	{
		//IE6 standards compliant mode
		scrOfY = document.documentElement.scrollTop;
		scrOfX = document.documentElement.scrollLeft;
	}
	*/
	//elm.style.top = ""+scrOfY+"px"; 
	//elm.style.left = ""+scrOfX+"px"; 
	elm.style.height = ""+myHeight+"px"; 
	elm.style.width = ""+myWidth+"px"; 

	//elm2.style.top = ""+scrOfY+"px"; 
	//elm2.style.left = ""+scrOfX+"px"; 
	elm2.style.height = ""+myHeight+"px"; 
	elm2.style.width = ""+myWidth+"px"; 

	if (pasoTapa==1)
		if (msx=="")
		{
			inf = '<br><br>Un momento por favor ...';
			mostrarInformacionDirecta(cm,inf);
		}
		else
			mostrarInformacion(cm,"http://www.lumai.es/funcions.php?fsel=presentarFoto&an="+myWidth+"&al="+myHeight+"&ruta="+msx);
	
	setTimeout("tapar('"+msx+"')",20);
}

function novoAjax()
{
	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 utf8_encode(string) 
{   
	string = string.replace(/\r\n/g,"\n");   
	var utftext = "";   

	for (var n = 0; n < string.length; n++) {   

		var c = string.charCodeAt(n);   

		if (c < 128) {   
			utftext += String.fromCharCode(c);   
		}   
		else if((c > 127) && (c < 2048)) {   
			utftext += String.fromCharCode((c >> 6) | 192);   
			utftext += String.fromCharCode((c & 63) | 128);   
		}   
		else {   
			utftext += String.fromCharCode((c >> 12) | 224);   
			utftext += String.fromCharCode(((c >> 6) & 63) | 128);   
			utftext += String.fromCharCode((c & 63) | 128);   
		}   

	}   

	return utftext;   
}

function mostrarInformacion(capa,inf)
{
	var contedor;
	
	contedor = document.getElementById(capa);
	contedor.innerHTML = "<br>&nbsp;&nbsp;Un momento, por favor...";


	ajax=novoAjax();
	hoxe = new Date();
	var chamada = inf + "&dth=" + hoxe.getTime();
	
	//chamada = utf8_encode(chamada);
	
	ajax.open("GET", chamada, true);
	ajax.onreadystatechange=function() 
	{
		if (ajax.readyState==4) 
		{ 
			contedor = document.getElementById(capa); 
			contedor.innerHTML = ajax.responseText;
		}
	}
	ajax.send(null)
}

function mostrarInformacionDirecta(capa,inf)
{
	var contedor;
	
	contedor = document.getElementById(capa);
	contedor.innerHTML = inf;
}