//	| ########################################################################## |
//	|-------------- Misc. utility functions /  by Djingle ---------------------- |
//	| ########################################################################## |

var ns4=(document.layers);
var ie4=(document.all&&!document.getElementById);
var ie5=(document.all&&document.getElementById);
var ns6=(!document.all&&document.getElementById);
var mac=(navigator.appVersion.indexOf("Mac")>=0)?1:0;


//############## rollover functions ##################################################
function MM_findObj(n, d) { //v3.0
  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); return x;
}

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_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_showHideLayers() { //v3.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v; }
}
//############## html encoding functions ###########################################
function URLEncode(plaintext) {
	// TODO : why not use encodeURIComponent() ??
	var longueur=plaintext.length;
	var SAFECHARS = "0123456789" +		// Numeric
					"ABCDEFGHIJKLMNOPQRSTUVWXYZ" +	// Alphabetci
					"abcdefghijklmnopqrstuvwxyz" +
					"-_.!~*'()";		// RFC2396 Mark characters
	var HEX = "0123456789ABCDEF";

	var encoded = "";
	for (var i = 0; i < plaintext.length; i++ ) 
	{
		var ch = plaintext.charAt(i);
    	if (ch == " ")
		{
		    	encoded += "+";		// x-www-urlencoded, rather than %20
		} 
		else if (SAFECHARS.indexOf(ch) != -1) 
		{
		    	encoded += ch;
		} 
		else 
		{
		    var charCode = ch.charCodeAt(0);
			if (charCode > 255) 
			{
		    	// "Unicode Character '" + ch + "' cannot be encoded using standard URL encoding.\n" +
				// "(URL encoding only supports 8-bit characters.)\n" +
				return false;
			} 
			else 
			{
				encoded += "%";
				encoded += HEX.charAt((charCode >> 4) & 0xF);
				encoded += HEX.charAt(charCode & 0xF);
			}
		}

	} // fin du for

	return encoded;
}

function EscapeString(str) { // for quoted variables in SCRIPT tags - double quotes only
	return (str+'').replace(/([\\"])/g, "\\$1").replace(/\0/g, "\\0");
	//return (str+'').replace(/([\\"'])/g, "\\$1").replace(/\0/g, "\\0");
}


function esc(str)  { 
	//for HTML (outside SCRIPT tags)
	str = str+'';
	
	//todo: test if more performant and browser compliant
	str = str.replace(/&/g,"&amp;");
	str = str.replace(/\"/g,"&quot;");
	str = str.replace(/\'/g,"&#039;");
	str = str.replace(/</g,"&lt;");
   	str = str.replace(/>/g,"&gt;");
   
	
	/*str = str.split("&").join("&amp;");
	str = str.split("'").join("&#039;");
	str = str.split("\"").join("&quot;");
	str = str.split("<").join("&lt;");
	str = str.split(">").join("&gt;");*/
	return str;
}


/*
function stripslashes(str) {
	str=str.replace(/\\'/g,'\'');
	str=str.replace(/\\"/g,'"');
	str=str.replace(/\\\\/g,'\\');
	str=str.replace(/\\0/g,'\0');
	return str;
}
*/

function trim(myString) {
	return myString.replace(/^\s+/g,'').replace(/\s+$/g,'')
} 

//############## date functions ##################################################
function DateStrToUnixTime(date_str) {

	var tr=new Date();
	tr.setDate(date_str.substr(8,2));
	tr.setMonth(date_str.substr(5,2)-1);
	tr.setFullYear(date_str.substr(0,4));
	tr.setHours(date_str.substr(11,2));
	tr.setMinutes(date_str.substr(14,2));
	return tr.getTime();
}
//############## miscellaneous functions ##################################################
function ChangeClass(ix, the_class, the_div_id_prefix) {
	//document.getElementById("ProductTable_"+ix).style.backgroundColor=color;
	document.getElementById(the_div_id_prefix+"_"+ix).className=the_class;
}

function PopMe(url,width,height,resizable,scrollbars,pop_name,other_options) {
	//other_options = toolbar,menubar,status,toolbar,location,directories,left,top
	chaine="";
	if (resizable) chaine+="resizable=yes,";
	if (scrollbars) chaine+="scrollbars=yes,";
	if (width) chaine+="width="+width+","; else chaine+="width=300,";
	if (height) chaine+="height="+height+","; else chaine+="height=200,";	
	if (other_options) chaine+=other_options;

	if (!pop_name) pop_name="_new";

	w = window.open (url,pop_name,chaine);
	w.focus();
}

//JS access to objects with []
function findSubObj( rootObj, tofind ) {
	if (document.all)
		return document.all(tofind);//suffit sous IE version recente
	else {
		for( var i in rootObj.children ) {
//alert( rootObj.children[ i ].name );

			if (rootObj.children[ i ].name == tofind)
				return rootObj.children[ i ];
		}
		return null;
	}
}

//dynamically fill a select input with values
function FillSelectInput(form_name, input_name, values, add_data) {
	//var the_input=findSubObj("",input_name);
    var the_input=document.getElementById(input_name);
	if (!the_input) {
		return false;
	}
	if (add_data==false || !add_data) {
		for(i=the_input.length-1; i>=0; i--) {
		      	//alert("je mets l'option #"+i+" a null");
		      	the_input.options[i] = null;
		}
	}

	//fill select
	for (var d in values) {

//alert(d+" / lab "+values[d]["label"]);
		var tmp=new Option(values[d]["label"], values[d]["id"]);
		the_input.options[the_input.length] = tmp;

		if (values[d]["selected"]==1) {
			the_input.options[(the_input.length-1)].selected=true;
		}
	}
}


// Extract all input values from a <form>, whose name match a given suffix, and put in an array
function getFormValues(form_name, suffix) {

	var theForm = eval('document.'+form_name);
	var data = new Object;
	for(i=0; i< theForm.elements.length; i++) {
		// TODO check if it's an input element
		//alert("field name is: " + theForm.elements[i].name + " and value is: " + theForm.elements[i].value);
		if (!suffix || theForm.elements[i].name.indexOf(suffix)===0) {
            data[theForm.elements[i].name]=theForm.elements[i].value;
	   }
    }
	return data;
}



// Add a GET parameter to an URL using appropriate ? or &
function AddParamToURL(url, param, value) {
	return url+((url.indexOf(url, '?')!=-1)?'&':'?')+param+'='+URLEncode(value);
}

function str_replace(search, replace, subject) {
    return subject.split(search).join(replace);
}

function in_array(tab, val) {
	for (var i=0; i<tab.length; i++) {
		if (tab[i]==val) { return i; }
	}
	return -1;
}

function substrIf(theStr, limit) {
	if (theStr.length<=limit) return theStr;
	else {
		return theStr.substr(0,limit)+'...';
	}
}

//this function includes all necessary js files for the application 
function include(file) { 
	/*document.write('<scrip' + 't type="text/javascript" src="'
	    + file + '"></scr' + 'ipt>'); 

	return true;*/
	
	
	var script = document.createElement('script'); 
	script.src = file; 
	script.type = 'text/javascript'; 
	script.defer = true; 
	document.getElementsByTagName('head').item(0).appendChild(script); 
}

//############## JS Objects functions ###################################################
function _isObjectEmpty(the_object) {
	for ( var index in the_object ) {
		return true;
	}
	return false;
}

//############## CSS-related functions ##################################################
function _RemovePxFromDimension(dim) {
	return (dim.toString().indexOf("px")==-1)? dim : dim.substring(0,dim.length-2);
}

function _AddPxToDimension(dim)	{
	// if needed 
	return (dim.toString().indexOf("px")==-1)? (Int(dim)+"px") : dim;
}

function Int(d_x, d_y) {
	return isNaN(d_y = parseInt(d_x))? 0 : d_y;
}

function openLayer(the_layer) {
	var lay=new LAYER(the_layer);
	lay.Open();
}

function closeLayer(the_layer) {
	var lay=new LAYER(the_layer);
	lay.Close();
}

function showLayer(the_layer) {
	var lay=new LAYER(the_layer);
	lay.Show();
}

function hideLayer(the_layer) {
	var lay=new LAYER(the_layer);
	lay.Hide();
}

function openCloseLayer(the_layer, skin_base) {
	var lay=new LAYER(the_layer);
	
	//alert('Before: '+lay.layerstyle.display);
	
	var theimg=document.getElementById('img_openClose_'+the_layer);
	theimg.src=skin_base+'images/buttons/icon_'+((lay.layerstyle.display == 'none')?'minus':'plus')+'.gif';
	
	return lay.OpenClose(); //returns false if it closes and true if it opens
}

//############## close functions ##################################################
// addParam is like "id=5"
function noclose_reload(pat, scroll, reload, addParam) {
	if (reload==1)
	{
		var tempo="";
		if (scroll=="")
		{
			if (window.opener) 
			{ 
				try { tempo=window.opener.location.href; } 
				catch (e) { tempo=""; }
			}
		}
		else
		{
			if (window.opener)
			{ 
				try { tempo=window.opener.location.href.substr(0,window.opener.location.href.length-1)+'&scrollpos='+scroll; } 
				catch (e) { tempo=""; }
			}
		}

		if (addParam)
		{
			ix = tempo.indexOf("#");
			if (ix != -1)
			{
				tempo = tempo.substr(0, ix);				
			}
		
			ix = addParam.indexOf("=");
			if (ix != -1)
			{
				paramName = addParam.substr(0, ix);
				paramVal = addParam.substr(ix+1);
				ix = tempo.indexOf(paramName);
				if (ix != -1)
				{	// on a "id=XXX" dans la chaene a reloader et on doit mettre "ix=5"
					// TODO: faire mieux. en le raJ; a la fin ta ecrase (en php)
					tempo = tempo + '&' + addParam;																			
				}
				else
				{
					ix = tempo.indexOf("?");
					if (ix != -1)
					{
						tempo = tempo + '&' + addParam;		
					}
					else
					{
						tempo = tempo + '?' + addParam;
					}
				}
			}
		}
		if (tempo!="") window.opener.location= pat + "refresh.php?url=" + URLEncode(tempo);
	}
}

// addParam is like "id=5"
function close_reload(pat, scroll, reload, addParam) {
	noclose_reload(pat, scroll, reload, addParam);
	window.close();
}


function reload_parent(pat, scroll, reload, addParam) {
	//window.parent.refresh();
	window.close();
}

//################################### cookies functions ###################
function setCookie( name, val ) {
	ExpDate = new Date();
	ExpDate.setYear(ExpDate.getYear()+10);
	document.cookie = ""+name+"="+val+"; path=/; expires="+ExpDate.toGMTString();
}

function getCookie( name ) {
	var pos = document.cookie.indexOf( name+"=" );
	if ( pos != -1 )
	{	
		pos += name.length + 1;
		var tmp=document.cookie.substring( pos );
		
		if (tmp.indexOf(";") !=-1)
		{
			return unescape( tmp.substring( 0, tmp.indexOf(";") ) );
		}
		else return unescape(tmp);
		//return unescape( document.cookie.substring( pos, document.cookie.indexOf(";", pos) ) );
	}
	return null;
}


//################################### backoffice functions #################
function change_order(obj, column, direction) {
	obj.ordering_column.value	= column;
	obj.ordering_direction.value	= direction;
	obj.submit();
}