function displayTabs(){
	var activeTabs = getElementsByTagAndStyleClass('span','active_tab');
	for (var e = 0; e < activeTabs.length; e++){
		var tabTitle=activeTabs[e].innerHTML;
	 	activeTabs[e].innerHTML=null;
	 	for(var i=0;i< tabTitle.length;i++){
	 		var c=tabTitle.charAt(i);
	 		var letter=document.createElement('img');
	 		letter.src='/images/tabs/active/engel_small_'+c+'.gif';
	 		activeTabs[e].appendChild(letter);
	 	}
	 }
}