function showText(broj) {
	
	for(i=1; i<=2; i++){		
		if(i==broj){
			var div_tag2="content_leftnav_" + broj;
			document.getElementById(div_tag2).style.display = 'block';			
		}else{
			var div_tag="content_leftnav_" + i;
			document.getElementById(div_tag).style.display = 'none';				
		}
	}
	

}