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_validateForm() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
	if (val) { nm=val.name; if ((val=val.value)!="") {
	  if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
		if (p<1 || p==(val.length-1)) errors+='- '+nm+' tiene que contener una dirección e-mail.\n';
	  } else if (test!='R') { num = parseFloat(val);
		if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
		if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
		  min=test.substring(8,p); max=test.substring(p+1);
		  if (num<min || max<num) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
	} } } else if (test.charAt(0) == 'R') errors += '- '+nm+' es requerido.\n'; }
  } if (errors) alert('Por favor llene los siguientes campos: \n'+errors);
  document.MM_returnValue = (errors == '');
}

function doajax(){
	var xmlhttp=false;
	/* for IE...*/
	try{
		xmlhttp = new ActiveXObject('Msxml2.XMLHTTP');
	}catch(e){
		try{
			xmlhttp = new ActiveXObject('Microsoft.XMLHTTP');
		}catch(E){
			xmlhttp = false;
		}
	}
	/* for Mozilla...*/
	if(!xmlhttp && typeof XMLHttpRequest!='undefined'){
		xmlhttp = new XMLHttpRequest();
	}
	return xmlhttp;
}

function loadImage(idIMG){	
	var request=doajax();
	if(request){
		request.onreadystatechange=function(){
			if(request.readyState==4){							
				var destiny=document.getElementById("bigphoto2");
				var controls=document.getElementById("bigphoto");
				destiny.innerHTML=request.responseText;
				destiny.style.display="block";
				controls.style.display="none";
				//alert(request.responseText);
			}
		}
		request.open("GET", "jsincrono.php?idimg="+idIMG, true);
		request.send(null);
	}else{
		alert("Das httprequest-Objekt konnte nicht erstellt werden.");
	}
	
}