function getElmById(aID){
	var element = null;
	
	if(document.getElementById) element=document.getElementById(aID);
	else if(document.layers) element=document.layers[aID];
	else if(document.all) element=document.all[aID];
	
	return element; 
}
function abre_ventana(dir,ancho,alto){
	window.open(dir,"_blank","width="+ancho+",height="+alto+",menubar=no,toolbar=no,status=no,location=no,scrollbars=yes");
}
function getClipboard() {
  if (window.clipboardData) {
	return(window.clipboardData.getData('Text'));
  }
  else if (window.netscape) { 
    netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
    var clip = Components.classes['@mozilla.org/widget/clipboard;1'].createInstance(Components.interfaces.nsIClipboard);
    if (!clip) return;
    var trans = Components.classes['@mozilla.org/widget/transferable;1'].createInstance(Components.interfaces.nsITransferable);
    if (!trans) return;
    trans.addDataFlavor('text/unicode');
    clip.getData(trans,clip.kGlobalClipboard);
    var str = new Object();
    var len = new Object();
    try { trans.getTransferData('text/unicode',str,len); }
    catch(error) { return; }
    if (str) {
      if (Components.interfaces.nsISupportsWString) str=str.value.QueryInterface(Components.interfaces.nsISupportsWString);
      else if (Components.interfaces.nsISupportsString) str=str.value.QueryInterface(Components.interfaces.nsISupportsString);
      else str = null;
    }
    if (str) return(str.data.substring(0,len.value / 2));
  }
  return;
}
function copy_clip(meintext){
	if (window.clipboardData){
		window.clipboardData.setData("Text", meintext);
	}
	else if (window.netscape){
		netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
		var clip = Components.classes['@mozilla.org/widget/clipboard;1'].createInstance(Components.interfaces.nsIClipboard);
		if (!clip) return;
		var trans = Components.classes['@mozilla.org/widget/transferable;1'].createInstance(Components.interfaces.nsITransferable);
		if (!trans) return;
		trans.addDataFlavor('text/unicode');
		var str = new Object();
		var len = new Object();
		var str = Components.classes["@mozilla.org/supports-string;1"].createInstance(Components.interfaces.nsISupportsString);
		var copytext=meintext;
		str.data=copytext;
		trans.setTransferData("text/unicode",str,copytext.length*2);
		var clipid=Components.interfaces.nsIClipboard;
		if (!clip) return false;
		clip.setData(trans,null,clipid.kGlobalClipboard);
	}
	return false;
}
function m_mensaje(v){
	switch(v){
		case 0:alert("Sección sólo disponible para asociados AEPG\nConsulte la sección 'asociarse' de esta web");
			break;
		case 1:alert("Las descargas de documentos son exclusivas para asociados AEPG");
			break;
	}
}
function strip_tags(str, allowed_tags) {
    // http://kevin.vanzonneveld.net
    // +   original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   improved by: Luke Godfrey
    // +      input by: Pul
    // +   bugfixed by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // *     example 1: strip_tags('<p>Kevin</p> <br /><b>van</b> <i>Zonneveld</i>', '<i>,<b>');
    // *     returns 1: 'Kevin <b>van</b> <i>Zonneveld</i>'
    // *     example 2: strip_tags('<p>Kevin <img src="someimage.png" onmouseover="someFunction()">van <i>Zonneveld</i></p>', '<p>');
    // *     returns 2: '<p>Kevin van Zonneveld</p>'
    // *     example 3: strip_tags("<a href='http://kevin.vanzonneveld.net'>Kevin van Zonneveld</a>", "<a>");
    // *     returns 3: '<a href='http://kevin.vanzonneveld.net'>Kevin van Zonneveld</a>'
    
    var key = '', tag = '', allowed = false;
    var matches = allowed_array = [];
    var allowed_keys = {};
    
    var replacer = function(search, replace, str) {
        var tmp_arr = [];
        tmp_arr = str.split(search);
        return tmp_arr.join(replace);
    };
    
    // Build allowes tags associative array
    if (allowed_tags) {
        allowed_tags  = allowed_tags.replace(/[^a-zA-Z,]+/g, '');;
        allowed_array = allowed_tags.split(',');
    }
    
    // Match tags
    matches = str.match(/(<\/?[^>]+>)/gi);
    
    // Go through all HTML tags 
    for (key in matches) {
        if (isNaN(key)) {
            // IE7 Hack
            continue;
        }
        
        // Save HTML tag
        html = matches[key].toString();
        
        // Is tag not in allowed list? Remove from str!
        allowed = false;
        
        // Go through all allowed tags
        for (k in allowed_array) {
            // Init    
            allowed_tag = allowed_array[k];
            i = -1;
            
            if (i != 0) { i = html.toLowerCase().indexOf('<'+allowed_tag+'>');}
            if (i != 0) { i = html.toLowerCase().indexOf('<'+allowed_tag+' ');}
            if (i != 0) { i = html.toLowerCase().indexOf('</'+allowed_tag)   ;}
            
            // Determine
            if (i == 0) {
                allowed = true;
                break;
            }
        }
        
        if (!allowed) {
            str = replacer(html, "", str); // Custom replace. No regexing
        }
    }
    
    return str;
}