<!--despliega un tag-->
function viewMore(div) {
        obj = document.getElementById(div);
        col = document.getElementById("x" + div);
		arrow = document.getElementById("arrow_" + div);
       
        if (obj.style.display == "none") {
                obj.style.display = "block";
				arrow.src="images/arrow_up.jpg"
//                col.innerHTML = "... hide details";
        } else {
                obj.style.display = "none";
				arrow.src="images/arrow.jpg"
//                col.innerHTML = "...additional details";
        }
} 


<!--carga un html externo en un div que crea-->
active_link_holder="";
function press_link(object){
	pressed_link = document.getElementById(object);
	pressed_link.className = 'green';
	if(active_link_holder!=''){ 
		active_link = document.getElementById(active_link_holder);
		active_link.className = 'black';
	}
	active_link_holder = object;


}


function createDiv(id, url){
//var divTag = document.createElement("div");
 
//divTag.id = "div1";
 
//divTag.setAttribute("align","center");
 
//divTag.style.margin = "0px auto";
 
//divTag.className ="dynamicDiv";
 
/*divTag.innerHTML = "This <b>HTML Div tag</b> is created using Javascript DOM dynamically.";*/
 
//Append_element= document.getElementById(id);

//Append_element.appendChild(divTag);

 var req = false;
  // For Safari, Firefox, and other non-MS browsers
  if (window.XMLHttpRequest) {
    try {
      req = new XMLHttpRequest();
    } catch (e) {
      req = false;
    }
  } else if (window.ActiveXObject) {
    // For Internet Explorer on Windows
    try {
      req = new ActiveXObject("Msxml2.XMLHTTP");
    } catch (e) {
      try {
        req = new ActiveXObject("Microsoft.XMLHTTP");
      } catch (e) {
        req = false;
      }
    }
  }
 var element = document.getElementById(id);
 if (!element) {
  alert("Bad id " + id + 
   "passed to clientSideInclude." +
   "You need a div or span element " +
   "with this id in your page.");
  return;
 }
  if (req) {
    // Synchronous request, wait till we have it all
    req.open('GET', url, false);
    req.send(null);
    element.innerHTML = req.responseText;
  } else {
    element.innerHTML =
   "Sorry, your browser does not support " +
      "XMLHTTPRequest objects. This page requires " +
      "Internet Explorer 5 or better for Windows, " +
      "or Firefox for any system, or Safari. Other " +
      "compatible browsers may also exist.";
  }
}

function changeImage(name, limit, url, change){
	
	object        = document.getElementById(name);	
	displayNumber = name + "_displayNumber";
	displayNumber = document.getElementById(displayNumber)

	var src_str   = new String(object.src)
	src_str       = src_str.split("/")
	src_str       = src_str[src_str.length-1];
	src_str       = src_str.split(".");
	src_str       = src_str[0];
	src_str       = parseInt(src_str);	
	

	if(src_str < limit){
		
		if(change == "next"){
			new_src = src_str + parseInt(1)
		} 
		
		if(change == "prev" & src_str >1){
			new_src = src_str - parseInt(1)
		}
		
		object.src = url +"/"+ new_src + ".jpg";
		displayNumber.innerHTML = new_src;
		
	} else {
		object.src = url + "/1.jpg";
		displayNumber.innerHTML = "1";
		}
}	

function imgOver(id, newWidth){
	object = document.getElementById(id);	
	object.width = newWidth;
	}

function imgOut(id, newWidth){
	object = document.getElementById(id);	
	object.width = newWidth;

}