function show(id){	
    $('.subnav').slideUp('fast');
    showdiv(id);
}
function showdiv(id) {
    $('#'+id).slideDown('fast');
}
/*
var ids=new Array('nav1','nav2','nav3','nav4','nav5');
function show(id){	
    hideallids();
    showdiv(id);
}
function hideallids(){
    //loop through the array and hide each element by id
    for (var i=0;i<ids.length;i++){
	hidediv(ids[i]);
    }		  
}
function hidediv(id) {
    //safe function to hide an element with a specified id
    if (document.getElementById) { // DOM3 = IE5, NS6
	document.getElementById(id).style.display = 'none';
    }
    else {
	if (document.layers) { // Netscape 4
	    document.id.display = 'none';
	}
	else { // IE 4
	    document.all.id.style.display = 'none';
	}
    }
}
function showdiv(id) {
    //safe function to show an element with a specified id
    if (document.getElementById) { // DOM3 = IE5, NS6
	document.getElementById(id).style.display = 'block';
    }
    else {
	if (document.layers) { // Netscape 4
	    document.id.display = 'block';
	}
	else { // IE 4
	    document.all.id.style.display = 'block';
	}
    }
}
*/