function MM_showHideLayers() { //v9.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) 
  with (document) if (getElementById && ((obj=getElementById(args[i]))!=null)) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}
function MM_popupMsg(msg) { //v1.0
  alert(msg);
}


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];}
}



/**
 *  Controla que el formato de la fecha sea DD/MM/YYYY
 */
// se declara un año mínimo y un año máximo
var dtCh= "/";
var minYear=1900;
var maxYear=2100;

function isInteger(s){
    //controlo que los caracteres sean números
	var i;
    for (i = 0; i < s.length; i++){   
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    return true;
}

function stripCharsInBag(s, bag){
	var i;
    var returnString = "";
    // Busco en todos los caracteres del string, uno por uno
    // si el caracter no está en bag, lo agrego al returnString.
    for (i = 0; i < s.length; i++){   
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function daysInFebruary (year){
	// Controlo los días de febrero (años bisciestos)
    return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
}
function DaysArray(n) {
	for (var i = 1; i <= n; i++) {
		this[i] = 31
		if (i==4 || i==6 || i==9 || i==11) {this[i] = 30}
		if (i==2) {this[i] = 29}
   } 
   return this
}

function formato_correcto(source, arguments){
    
    var dtStr = arguments.Value
    
    if (dtStr.length != 10) {
        arguments.IsValid = false
    }
    else {
    
        var daysInMonth = DaysArray(12)
        var pos1=dtStr.indexOf(dtCh)
        var pos2=dtStr.indexOf(dtCh,pos1+1)
        var strDay=dtStr.substring(0,pos1)
        var strMonth=dtStr.substring(pos1+1,pos2)
        var strYear=dtStr.substring(pos2+1)
        strYr=strYear
        if (strDay.charAt(0)=="0" && strDay.length>1) strDay=strDay.substring(1)
        if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1)
        for (var i = 1; i <= 3; i++) {
	        if (strYr.charAt(0)=="0" && strYr.length>1) strYr=strYr.substring(1)
        }
        month=parseInt(strMonth)
        day=parseInt(strDay)
        year=parseInt(strYr)
        if (pos1==-1 || pos2==-1){
   	        arguments.IsValid = false
        }
        else
            if (strMonth.length<1 || month<1 || month>12){
   		        arguments.IsValid = false
            }
            else
   	            if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
                    arguments.IsValid = false
                }
   	            else
                    if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
	                    arguments.IsValid = false
                    }
                    else
                        if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
	                        arguments.IsValid = false
                        }
                        else
                            arguments.IsValid = true
    }
}

function is_formato_correcto(value){
    var dtStr = value
    
    if (dtStr.length != 10) {
        return false
    }
    else {
    
        var daysInMonth = DaysArray(12)
        var pos1=dtStr.indexOf(dtCh)
        var pos2=dtStr.indexOf(dtCh,pos1+1)
        var strDay=dtStr.substring(0,pos1)
        var strMonth=dtStr.substring(pos1+1,pos2)
        var strYear=dtStr.substring(pos2+1)
        strYr=strYear
        if (strDay.charAt(0)=="0" && strDay.length>1) strDay=strDay.substring(1)
        if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1)
        for (var i = 1; i <= 3; i++) {
	        if (strYr.charAt(0)=="0" && strYr.length>1) strYr=strYr.substring(1)
        }
        month=parseInt(strMonth)
        day=parseInt(strDay)
        year=parseInt(strYr)
        if (pos1==-1 || pos2==-1){
   	        return false
        }
        else
            if (strMonth.length<1 || month<1 || month>12){
   		        return false
            }
            else
   	            if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
                    return false
                }
   	            else
                    if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
	                    return false
                    }
                    else
                        if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
	                        return false
                        }
                        else
                            return true
    }
}

function Initialize()
{
    ele = document.getElementById("menu_principal");
    try
	{	
		ele.addEventListener("onmouseover",function(){document.getElementById('menu_secundario').style.display='';}, false);
		ele.addEventListener("onmouseout",function(){document.getElementById('menu_secundario').style.display='none';}, false);
	    
	    element = document.getElementById("menu_secundario");
	    element.style.visibility = 'visible';
		element.addEventListener("onmouseover",function(){document.getElementById('menu_secundario').style.display='';}, false);
		element.addEventListener("onmouseout",function(){document.getElementById('menu_secundario').style.display='none';}, false);
	}
	catch (e)
	{
		ele.attachEvent("onmouseover",function(){document.getElementById('menu_secundario').style.display='';});
		ele.attachEvent("onmouseout",function(){document.getElementById('menu_secundario').style.display='none';});
	    element = document.getElementById("menu_secundario");
		element.style.display='none';
		element.attachEvent("onmouseover",function(){document.getElementById('menu_secundario').style.display='';});
		element.attachEvent("onmouseout",function(){document.getElementById('menu_secundario').style.display='none';});
		
	}
}