function OcultarMostrarFila(id_fila,ocultar) {
	
	if (document.getElementById(id_fila)) {
		if (ocultar == false)
			//document.all[id_fila].style.display = "block";
			document.getElementById(id_fila).style.display = "";
		else
			//document.all[id_fila].style.display = "none";
			document.getElementById(id_fila).style.display = "none";
	}
}

function CargarForma(forma) {
	navtxt=(NS4)? document.layers['navtxt'] : (IE4)? document.all['navtxt'] : (W3C)? document.getElementById('navtxt') : null;
	
	getboxwidth();
	getboxheight();
	getwindowdims();
	isloaded=true;
	
	if((W3C || IE4) && centertext)navtxt.style.textAlign="center";
	if(W3C)navtxt.style.padding='4px';
	if(IE4 || IE5 && dofade)navtxt.style.filter="alpha(opacity=0)";

	if (forma=='ConectarSistema')
		MM_preloadImages('../imagenes/BtnPortadaOver.jpg','../imagenes/BtnRegistrarmeOver.jpg','../imagenes/BtnComprarOver.jpg','../imagenes/BtnVenderOver.jpg','../imagenes/BtnBuscarOver.jpg','../imagenes/BtnAyudaOver.jpg');
		
	if (document.getElementById('slide'))
		slideit();

	if (document.getElementById('Screen'))
		StartSlideShow();
	
	return;
}

function OnSelTodos(forma,variable,minimo,maximo,valor) {
	for (var i = minimo; i < maximo; i++) {

		if (typeof(document.forms[forma].elements[variable + '['+i+']']) != 'undefined') {
            document.forms[forma].elements[variable + '['+i+']'].checked = valor;
        }
	}
}

/**
 * Sets/unsets the pointer and marker in browse mode
 *
 * @param   object    the table row
 * @param   integer  the row number
 * @param   string    the action calling this script (over, out or click)
 * @param   string    the default background color
 * @param   string    the color to use for mouseover
 * @param   string    the color to use for marking a row
 *
 * @return  boolean  whether pointer is set or not
 */
function setPointer(theRow, theRowNum, theAction, theDefaultColor, thePointerColor, theMarkColor)
{
    var theCells = null;

    // 1. Pointer and mark feature are disabled or the browser can't get the
    //    row -> exits
    if ((thePointerColor == '' && theMarkColor == '')
        || typeof(theRow.style) == 'undefined') {
        return false;
    }

    // 2. Gets the current row and exits if the browser can't get it
    if (typeof(document.getElementsByTagName) != 'undefined') {
        theCells = theRow.getElementsByTagName('td');
    }
    else if (typeof(theRow.cells) != 'undefined') {
        theCells = theRow.cells;
    }
    else {
        return false;
    }

    // 3. Gets the current color...
    var rowCellsCnt  = theCells.length;
    var domDetect    = null;
    var currentColor = null;
    var newColor     = null;
    // 3.1 ... with DOM compatible browsers except Opera that does not return
    //         valid values with "getAttribute"
    if (typeof(window.opera) == 'undefined'
        && typeof(theCells[0].getAttribute) != 'undefined') {
        currentColor = theCells[0].getAttribute('bgcolor');
        domDetect    = true;
    }
    // 3.2 ... with other browsers
    else {
        currentColor = theCells[0].style.backgroundColor;
        domDetect    = false;
    } // end 3

    // 3.3 ... Opera changes colors set via HTML to rgb(r,g,b) format so fix it
    if (currentColor.indexOf("rgb") >= 0)
    {
        var rgbStr = currentColor.slice(currentColor.indexOf('(') + 1,
                                     currentColor.indexOf(')'));
        var rgbValues = rgbStr.split(",");
        currentColor = "#";
        var hexChars = "0123456789ABCDEF";
        for (var i = 0; i < 3; i++)
        {
            var v = rgbValues[i].valueOf();
            currentColor += hexChars.charAt(v/16) + hexChars.charAt(v%16);
        }
    }

    // 4. Defines the new color
    // 4.1 Current color is the default one
    if (currentColor == ''
        || currentColor.toLowerCase() == theDefaultColor.toLowerCase()) {
        if (theAction == 'over' && thePointerColor != '') {
            newColor              = thePointerColor;
        }
        else if (theAction == 'click' && theMarkColor != '') {
            newColor              = theMarkColor;
            /*marked_row[theRowNum] = true;*/
            // Garvin: deactivated onclick marking of the checkbox because it's also executed
            // when an action (like edit/delete) on a single item is performed. Then the checkbox
            // would get deactived, even though we need it activated. Maybe there is a way
            // to detect if the row was clicked, and not an item therein...
            // document.getElementById('id_rows_to_delete' + theRowNum).checked = true;
        }
    }
    // 4.1.2 Current color is the pointer one
    else if (currentColor.toLowerCase() == thePointerColor.toLowerCase()
             /*&& (typeof(marked_row[theRowNum]) == 'undefined' || !marked_row[theRowNum])*/) {
        if (theAction == 'out') {
            newColor              = theDefaultColor;
        }
        else if (theAction == 'click' && theMarkColor != '') {
            newColor              = theMarkColor;
            /*marked_row[theRowNum] = true;*/
            // document.getElementById('id_rows_to_delete' + theRowNum).checked = true;
        }
    }
    // 4.1.3 Current color is the marker one
    else if (currentColor.toLowerCase() == theMarkColor.toLowerCase()) {
        if (theAction == 'click') {
            newColor              = (thePointerColor != '')
                                  ? thePointerColor
                                  : theDefaultColor;
            /*marked_row[theRowNum] = (typeof(marked_row[theRowNum]) == 'undefined' || !marked_row[theRowNum])
                                  ? true
                                  : null;*/
            // document.getElementById('id_rows_to_delete' + theRowNum).checked = false;
        }
    } // end 4

    // 5. Sets the new color...
    if (newColor) {
        var c = null;
        // 5.1 ... with DOM compatible browsers except Opera
        if (domDetect) {
            for (c = 0; c < rowCellsCnt; c++) {
                theCells[c].setAttribute('bgcolor', newColor, 0);
            } // end for
        }
        // 5.2 ... with other browsers
        else {
            for (c = 0; c < rowCellsCnt; c++) {
                theCells[c].style.backgroundColor = newColor;
            }
        }
    } // end 5

    return true;
} // end of the 'setPointer()' function

function CampoNumerico(campo,caracter,dec)
{
	var decimales = false
	if (dec != 0)
		{decimales = true}

	pat = /[\*,\+,\(,\),\?,\\,\$,\[,\],\^]/
	valor = campo.value
	largo = valor.length
	crtr = true
	if(isNaN(caracter) || pat.test(caracter) == true)
	{
		if (pat.test(caracter)==true) 
			{caracter = "\\" + caracter}
		carcter = new RegExp(caracter,"g")
		valor = valor.replace(carcter,"")
		campo.value = valor
		crtr = false
	}
	else
	{
	var nums = new Array()
	cont = 0
	for(m=0;m<largo;m++)
		{
		if(valor.charAt(m) == "." || valor.charAt(m) == " " || valor.charAt(m) == ",")
			{continue;}
		else{
			nums[cont] = valor.charAt(m)
			cont++
			}
		
		}
	}

	if(decimales == true) {
		ctdd = eval(1 + dec);
		nmrs = 1
	}
	else {
		ctdd = 1; nmrs = 3
	}
	var cad1="",cad2="",cad3="",tres=0
	if(largo > nmrs && crtr == true)
	{
		for (k=nums.length-ctdd;k>=0;k--){
			cad1 = nums[k]
			cad2 = cad1 + cad2
			tres++
			if((tres%3) == 0){
				if(k!=0){
					cad2 = "." + cad2
				}
			}
	}
	
	if (nums.length < dec)
		dec = nums.length;
		
	for (dd = dec; dd > 0; dd--){
		cad3 += nums[nums.length-dd]
	}
	if(decimales == true)
	{
		cad2 += "," + cad3}
		campo.value = cad2
	}
	campo.focus()
}

function EnlaceOlvideClave(forma){
	forma.Funcion.value = "RecordarClave";
	
	if (forma.Login.value == "") {
		alert('Debe indicar su nombre de usuario\npara poder enviarle la clave a su email');
		return false;
	}
	
	return forma.submit();
}

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_nbGroup(event, grpName) { //v6.0
  var i,img,nbArr,args=MM_nbGroup.arguments;
  if (event == "init" && args.length > 2) {
    if ((img = MM_findObj(args[2])) != null && !img.MM_init) {
      img.MM_init = true; img.MM_up = args[3]; img.MM_dn = img.src;
      if ((nbArr = document[grpName]) == null) nbArr = document[grpName] = new Array();
      nbArr[nbArr.length] = img;
      for (i=4; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
        if (!img.MM_up) img.MM_up = img.src;
        img.src = img.MM_dn = args[i+1];
        nbArr[nbArr.length] = img;
    } }
  } else if (event == "over") {
    document.MM_nbOver = nbArr = new Array();
    for (i=1; i < args.length-1; i+=3) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = (img.MM_dn && args[i+2]) ? args[i+2] : ((args[i+1])? args[i+1] : img.MM_up);
      nbArr[nbArr.length] = img;
    }
  } else if (event == "out" ) {
    for (i=0; i < document.MM_nbOver.length; i++) {
      img = document.MM_nbOver[i]; img.src = (img.MM_dn) ? img.MM_dn : img.MM_up; }
  } else if (event == "down") {
    nbArr = document[grpName];
    if (nbArr)
      for (i=0; i < nbArr.length; i++) { img=nbArr[i]; img.src = img.MM_up; img.MM_dn = 0; }
    document[grpName] = nbArr = new Array();
    for (i=2; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = img.MM_dn = (args[i+1])? args[i+1] : img.MM_up;
      nbArr[nbArr.length] = img;
  } }
}

function OpenBrWindow(theURL,winName,features, myWidth, myHeight, isCenter) { //v3.0
	if(window.screen)if(isCenter)if(isCenter=="true"){
		var myLeft = (screen.width-myWidth)/2;
		var myTop = (screen.height-myHeight)/2;
		features+=(features!='')?',':'';
		features+=',left='+myLeft+',top='+myTop;
	}
	window.open(theURL,winName,features+((features!='')?',':'')+'width='+myWidth+',height='+myHeight);
}

function AsignarValorSelect(objeto,valor) {
	objeto.value = valor;
}