function detect_browser()
{
	var browser;

	// FireFox
	if (navigator.userAgent.toLowerCase().indexOf("firefox") > -1)
	{
	var start_pos = (navigator.userAgent.toLowerCase().indexOf("firefox")+8);
	var end_pos = start_pos+1;
	browser = "firefox" + navigator.userAgent.substring(start_pos, end_pos);
	}
	
	// Opera
	else if (navigator.userAgent.toLowerCase().indexOf("opera") > -1)
	{
	var start_pos = (navigator.userAgent.toLowerCase().indexOf("opera")+6);
	var end_pos = start_pos+4;
	browser = "opera";
	}
	
	return browser;
}


function Toggle(item) {
   obj=document.getElementById(item);
   visible=(obj.style.display!="none")
   key=document.getElementById("x" + item);
   if (visible) {
     obj.style.display="none";
     key.innerHTML="<img src='/images/style/vertical-menu-closed.png' width='11' height='11' hspace='0' vspace='0' border='0'>";
   } else {
      obj.style.display="block";
      key.innerHTML="<img src='/images/style/vertical-menu-opened.png' width='11' height='11' hspace='0' vspace='0' border='0'>";
   }
}

function detect_browser2(what)
{
	var browser;
	
	// Microsoft IE
	if (navigator.userAgent.toLowerCase().indexOf("msie") > -1)
	{
		browser = "block";
	}
	
	else
	{
		browser = what;
	}
	
	return browser;
}

function Toggle_class_block(item) {
   obj=getElementsByClass(item,null,null);
   for (i = 0; i < obj.length; i++)
   {
	   visible=(obj[i].style.display!="none")
	   if (visible) {
		 obj[i].style.display="none";
	   } else {
		  obj[i].style.display="block";
	   }
   }
}

function Toggle_class(item) {
   obj=getElementsByClass(item,null,null);
   for (i = 0; i < obj.length; i++)
   {
	   visible=(obj[i].style.display!="none")
	   if (visible) {
		 obj[i].style.display="none";
	   } else {
		  obj[i].style.display=detect_browser2("table-cell");
	   }
   }
}

function Toggle_class_new(item,classname) {
   obj=getElementsByClass(item,null,null);
   for (i = 0; i < obj.length; i++)
   {
	   visible=(obj[i].style.display!="none")
	   if (visible) {
		 obj[i].style.display="none";
	   } else {
		  obj[i].style.display=detect_browser2(classname);
	   }
   }
}

function Toggle_class_tr(item) {
   obj=getElementsByClass(item,null,null);
   for (i = 0; i < obj.length; i++)
   {
	   visible=(obj[i].style.display!="none")
	   if (visible) {
		 obj[i].style.display="none";
	   } else {
		  obj[i].style.display=detect_browser2("table-row");
	   }
   }
}

function Toggle_class2(item) {
   obj=getElementsByClass(item,null,null);
   for (i = 0; i < obj.length; i++)
   {
		 obj[i].style.display="none";
   }
}


function getElementsByClass(searchClass,node,tag) {

        var classElements = new Array();
        if (node == null)
                node = document;
        if (tag == null)
                tag = '*';
        var els = node.getElementsByTagName(tag);
        var elsLen = els.length;
        var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");
        var j = 0;
        for (i = 0; i < elsLen; i++) {
                if (pattern.test(els[i].className) ) {
                        classElements[j] = els[i];
                        j++;
                }
        }
        return classElements;
}

function Add_active_by_id(item) {
   obj=document.getElementById(item);
   obj.className="active";
}

function Clear_classNames(langs) {
	var elsLen = langs.length;
	for (i = 0; i < elsLen; i++) {
		 obj=document.getElementById('s'+i);
   		 obj.className="deactive";
	}

}