function wo(objeto)
{
	if ((document.getElementById(objeto)!=null) && (document.getElementById(objeto)!='undefined')){
	return document.getElementById(objeto);
	}else{ return false; }
}
function wshow(objeto)
{
	obj=wo(objeto);
	if (obj!=false) obj.style.display="";
}
function whide(objeto)
{
	obj=wo(objeto);
	if (obj!=false) obj.style.display="none";
}
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_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_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];}
}

//OPACIDAD
function opacity(id, opacStart, opacEnd, millisec) { 
    //speed for each frame 
    var speed = Math.round(millisec / 100); 
    var timer = 0; 
    //determine the direction for the blending, if start and end are the same nothing happens 
    if(opacStart > opacEnd) { 
        for(i = opacStart; i >= opacEnd; i--) { 
            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed)); 
            timer++; 
        } 
    } else if(opacStart < opacEnd) {
        for(i = opacStart; i <= opacEnd; i++) { 
            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed)); 
            timer++; 
        } 
    } 
} 

function onResizeListener(){
	if (document.layers) { // Netscape
		window.captureEvents(Event.RESIZE);
		window.onresize = trigRelPosition;
	} else if (document.all) { // Internet Explorer
		window.onresize = trigRelPosition;
	} else if (document.getElementById) { // Netcsape 6
		window.onresize = trigRelPosition;
	}
}

function trigRelPosition(){
	relPosition(970, 380, 'julifoto2');
	relPosition(970, 380, 'julifoto');
}

function getSize(dimension) {
  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;
  }
  if (dimension=='width') return myWidth;
  if (dimension=='height') return myHeight;
}

function relPosition(tabla, pos, id){
	// ancho de tabla centrada y pos inicial si coincide la ventana con la tabla
	// getSize me trae el ancho cliente de la ventana
	// calculo donde se paro la tabla y lo sumo
	win = getSize('width');
	if (win>tabla){
		nvapos=pos + Math.round((win-tabla)/2);
	}else{
		nvapos=pos;
	}
	var object = document.getElementById(id).style;
	object.left = ""+nvapos+"px";
}

function changeOpac(opacity, id) { 
    var object = document.getElementById(id).style; 
    object.opacity = (opacity / 100); 
    object.MozOpacity = (opacity / 100);  
    object.KhtmlOpacity = (opacity / 100); 
    object.filter = "alpha(opacity=" + opacity + ")"; 
}

function removeLeadingAndTrailingChar (inputString, removeChar){
	var returnString = inputString;
	if (removeChar.length){
	  	while(''+returnString.charAt(0)==removeChar){
		  returnString=returnString.substring(1,returnString.length);
		}
		while(''+returnString.charAt(returnString.length-1)==removeChar){
	    	returnString=returnString.substring(0,returnString.length-1);
	  	}
	}
	return returnString;
}

function vmail(texto){
    var mailres = true;
    var cadena = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890@._-";
    var arroba = texto.indexOf("@",0);
    if ((texto.lastIndexOf("@")) != arroba) arroba = -1;
    var punto = texto.lastIndexOf(".");
    for (var contador = 0 ; contador < texto.length ; contador++){
        if (cadena.indexOf(texto.substr(contador, 1),0) == -1){
            mailres = false;
            break;
     	}
    }
    if ((arroba > 1) && (arroba + 1 < punto) && (punto + 1 < (texto.length)) && (mailres == true) && (texto.indexOf("..",0) == -1)) mailres = true;
    else mailres = false;
    return mailres;
}