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 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 check_order_dates(value_1,value_2)
{
	var date_1 = new String(value_1);
	var date_2 = new String(value_2);

		if (date_1.length == 6) {
			var dia_1 =	parseInt(date_1.slice(0,1),10);
			var mes_1 =	parseInt(date_1.slice(2,3),10);
			if ((parseInt(date_1.slice(4,6),10) >= 70) && (parseInt(date_1.slice(4,6),10) <= 99)) siglo = 1900;
			else siglo = 2000;
			var anyo_1 =	siglo + parseInt(date_1.slice(4,6),10);
		}

		if (date_1.length == 7) {
			var chain = date_1.slice(1,2);
			if (( chain == '/') || (chain == '-') || (chain == ".") ) {
				var dia_1 =	parseInt(date_1.slice(0,1),10);
				var mes_1 =	parseInt(date_1.slice(2,4),10);
				if ((parseInt(date_1.slice(5,7),10) >= 70) && (parseInt(date_1.slice(5,7),10) <= 99)) siglo = 1900;
				else siglo = 2000;
				var anyo_1 =	siglo + parseInt(date_1.slice(5,7),10);
			} else {
				var dia_1 =	parseInt(date_1.slice(0,2),10);
				var mes_1 =	parseInt(date_1.slice(3,4),10);
				if ((parseInt(date_2.slice(5,7),10) >= 70) && (parseInt(date_1.slice(5,7),10) <= 99)) siglo = 1900;
				else siglo = 2000;
				var anyo_1 =	siglo + parseInt(date_1.slice(5,7),10);
			}
		}

		if (date_1.length == 8) {
			var chain = date_1.slice(1,2);
			if ( (chain == "/") || (chain == "-") || (chain == ".") ) {
				var dia_1 =	parseInt(date_1.slice(0,1),10);
				var mes_1 =	parseInt(date_1.slice(2,3),10);
				var anyo_1=	parseInt(date_1.slice(4,8),10);
			} else {
				var chain = date_1.slice(2,3);
				if ( (chain == "/") || (chain == "-") || (chain == ".") ) {
					var dia_1 =	parseInt(date_1.slice(0,2),10);
					var mes_1 =	parseInt(date_1.slice(3,5),10);
					if ((parseInt(date_1.slice(6,8),10) >= 70) && (parseInt(date_1.slice(6,8),10) <= 99)) siglo = 1900;
					else siglo = 2000;
					var anyo_1 =	siglo + parseInt(date_1.slice(6,8),10);
				} else {
					var dia_1 =	parseInt(date_1.slice(0,2),10);
					var mes_1 =	parseInt(date_1.slice(2,4),10);
					var anyo_1 =	parseInt(date_1.slice(4,8),10);
				}
			}
		}

		if (date_1.length == 9) {
			var chain = date_1.slice(1,2);
			if (( chain == '/') || (chain == '-') || (chain == ".") ) {
				var dia_1 =	parseInt(date_1.slice(0,1),10);
				var mes_1 =	parseInt(date_1.slice(2,4),10);
				var anyo_1 =	parseInt(date_1.slice(5,9),10);
			} else {
				var dia_1 =	parseInt(date_1.slice(0,2),10);
				var mes_1 =	parseInt(date_1.slice(3,4),10);
				var anyo_1 =	parseInt(date_1.slice(5,9),10);
			}
		}

		if (date_1.length == 10) {
			var dia_1 =	parseInt(date_1.slice(0,2),10);
			var mes_1 =	parseInt(date_1.slice(3,5),10);
			var anyo_1 =	parseInt(date_1.slice(6,10),10);
		}

		if (date_2.length == 6) {
			var dia_2 =	parseInt(date_2.slice(0,1),10);
			var mes_2 =	parseInt(date_2.slice(2,3),10);
			if ((parseInt(date_2.slice(4,6),10) >= 70) && (parseInt(date_2.slice(4,6),10) <= 99)) siglo = 1900;
			else siglo = 2000;
			var anyo_2 =	siglo + parseInt(date_2.slice(4,6),10);
		}

		if (date_2.length == 7) {
			var chain = date_2.slice(1,2);
			if (( chain == '/') || (chain == '-') || (chain == ".") ) {
				var dia_2 =	parseInt(date_2.slice(0,1),10);
				var mes_2 =	parseInt(date_2.slice(2,4),10);
				if ((parseInt(date_2.slice(5,7),10) >= 70) && (parseInt(date_2.slice(5,7),10) <= 99)) siglo = 1900;
				else siglo = 2000;
				var anyo_2 =	siglo + parseInt(date_2.slice(5,7),10);
			} else {
				var dia_2 =	parseInt(date_2.slice(0,2),10);
				var mes_2 =	parseInt(date_2.slice(3,4),10);
				if ((parseInt(date_2.slice(5,7),10) >= 70) && (parseInt(date_2.slice(5,7),10) <= 99)) siglo = 1900;
				else siglo = 2000;
				var anyo_2 =	siglo + parseInt(date_2.slice(5,7),10);
			}
		}

		if (date_2.length == 8) {
			var chain = date_2.slice(1,2);
			if ( (chain == "/") || (chain == "-") || (chain == ".") ) {
				var dia_2 =	parseInt(date_2.slice(0,1),10);
				var mes_2 =	parseInt(date_2.slice(2,3),10);
				var anyo_2 =	parseInt(date_2.slice(4,8),10);
			} else {
				var chain = date_2.slice(2,3);
				if ( (chain == "/") || (chain == "-") || (chain == ".") ) {
					var dia_2 =	parseInt(date_2.slice(0,2),10);
					var mes_2 =	parseInt(date_2.slice(3,5),10);
					if ((parseInt(date_2.slice(6,8),10) >= 70) && (parseInt(date_2.slice(6,8),10) <= 99)) siglo = 1900;
					else siglo = 2000;
					var anyo_2 =	siglo + parseInt(date_2.slice(6,8),10);
				} else {
					var dia_2 =	parseInt(date_2.slice(0,2),10);
					var mes_2 =	parseInt(date_2.slice(2,4),10);
					var anyo_2 =	parseInt(date_2.slice(4,8),10);
				}
			}
		}

		if (date_2.length == 9) {
			var chain = date_2.slice(1,2);
			if (( chain == '/') || (chain == '-') || (chain == ".") ) {
				var dia_2 =	parseInt(date_2.slice(0,1),10);
				var mes_2 =	parseInt(date_2.slice(2,4),10);
				var anyo_2=	parseInt(date_2.slice(5,9),10);
			} else {
				var dia_2 =	parseInt(date_2.slice(0,2),10);
				var mes_2 =	parseInt(date_2.slice(3,4),10);
				var anyo_2=	parseInt(date_2.slice(5,9),10);
			}
		}

		if (date_2.length == 10) {
			var dia_2 =	parseInt(date_2.slice(0,2),10);
			var mes_2 =	parseInt(date_2.slice(3,5),10);
			var anyo_2 =	parseInt(date_2.slice(6,10),10);
		}
		var ok = true;

		if ((date_1.length >= 6) && (date_1.length <= 10) && (date_2.length >= 6) && (date_2.length <= 10) )
		{

			if (anyo_1>anyo_2) ok = false;
			if ( (anyo_1==anyo_2) && (mes_1>mes_2) )  ok = false;
			if ( (anyo_1==anyo_2) && (mes_1==mes_2) && (dia_1>dia_2) ) ok = false;

			if ((anyo_1<1971) || (anyo_1>2037) || (anyo_2<1971) || (anyo_2>2037) ) ok = false;
		}
		return ok;
}

function formatear(cadena) {
    var sRes = ""; 
    for (var j, i = cadena.length - 1, j = 0; i >= 0; i--, j++) 
      sRes = cadena.charAt(i) + ((j > 0) && (j % 3 == 0)? ".": "") + sRes; 
    return sRes; 
}