var http 				= createRequestObject();
//////////////////// Functions ///////////////////////////////////////////////////
function createRequestObject() {
    var ro;
    var browser = navigator.appName;
    if(browser == "Microsoft Internet Explorer"){
        ro = new ActiveXObject("Microsoft.XMLHTTP");
    }else{
        ro = new XMLHttpRequest();
    }
    return ro;
}

function ShowSet(set_id,total)
{
	for (i=0; i<total; i++)
	{
		var div_id		= "page_" + i;
		document.getElementById(div_id).style.display	= "none";
	}
	var div_id		= "page_" + set_id;
	document.getElementById(div_id).style.display	= "block";
}