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

//############## 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) {
	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) 
			{
			    	alert( "Unicode Character '" + ch + "' cannot be encoded using standard URL encoding.\n" +
				        "(URL encoding only supports 8-bit characters.)\n" +
						"Un espace (+) sera mis à la place." );
				encoded += "+";
			} 
			else 
			{
				encoded += "%";
				encoded += HEX.charAt((charCode >> 4) & 0xF);
				encoded += HEX.charAt(charCode & 0xF);
			}
		}

	} // fin du for

	return encoded;
}

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

//############## miscellaneous functions ##################################################
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();
}

// 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;
}

//############## 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;
}

//################################### 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;
}