function taps(id)
{

	var tabs_array=new Array();
 
	tabs_array[0]= new Array("1","images/tools_bg.jpg");
	tabs_array[1]= new Array("2","images/links_bg.jpg");
	tabs_array[2]= new Array("3","images/articles_bg.jpg");
	tabs_array[3]= new Array("4","images/books_bg.jpg");
	tabs_array[4]= new Array("5","images/media_bg.jpg");
	var selected_background;
	for (var i=0; i < tabs_array.length ;i++)
	{
		if (id==tabs_array[i][0])
		{
			selected_background=tabs_array[i][1];
		}
	}
	for (var i=0; i < tabs_array.length ;i++)
	{
		
		var div_id=i+1; 
		if (div_id!=id)
		{
			document.getElementById(div_id).style.visibility="hidden";
			var str2="document.getElementById('td_"+div_id+"').style.backgroundImage='url("+selected_background+")'";

			eval(str2);
			
			headelem = document.getElementById("td_"+div_id);
			headelem.style.backgroundRepeat="repeat";
			headelem.style.fontFamily="tahoma";
			headelem.style.fontSize="16px";
			headelem.style.color='#ffffff';
			headelem.style.fontWeight='bold';
		}
		
		if (id==tabs_array[i][0])
		{
			
			var str2="document.getElementById('td_"+id+"').style.backgroundImage='url(images/white_px.jpg)'";
			eval(str2);
			
			
			headelem = document.getElementById("td_"+id);
			headelem.style.backgroundRepeat="repeat";
			headelem.style.fontFamily="tahoma";
			headelem.style.fontSize="16px";
			headelem.style.color='#5c6166';
			headelem.style.fontWeight='bold';
			var str="document.getElementById('resources_row').style.backgroundImage='url("+tabs_array[i][1]+")'";
			eval(str);
		}
	
	}
	
	
	
document.getElementById(id).style.visibility='visible' ; 
	
	
}