var hide = new Array('hide1','hide2','hide3','hide4','hide5'); // div id
	
	
	var hide_ids = hide.length;
	
	function show(showa) {
		
	    for (i = 1; i < hide_ids; i++) {
	        if (showa != hide[i]) document.getElementById(hide[i]).style.display = 'None';
	        else document.getElementById(hide[i]).style.display = '';
	    }  
	}