window.onload = init;

function init(){
	setmenulinks();
}

function setCookie(c_name,value,expiredays){
	var exdate=new Date();
	exdate.setDate(exdate.getDate()+expiredays);
	document.cookie=c_name+ "=" +escape(value)+
	((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
}


//Browser Support Code
var hasAjax = true;
function ajaxRequest(){

	var ajaxReq;  // The variable that makes Ajax possible!
	
	try{
		// Opera 8.0+, Firefox, Safari
		ajaxReq = new XMLHttpRequest();
	} catch (e){
		// Internet Explorer Browsers
		try{
			ajaxReq = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try{
				ajaxReq = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e){
				// Something went wrong
				alert("Your browser broke!");
				hasAjax = false;
				return false;
			}
		}
	}

	return ajaxReq;

}


// External JavaScript function

function setmenulinks() {
  if (document.getElementsByTagName) {

    var tds = document.getElementsByTagName("td");
    for (var i=0; i < tds.length; i++) {
      if (tds[i].className.match("menu_item")) {
        tds[i].onmouseover = function() {
          hover(this,"over");
        };
        tds[i].onmouseout = function() {
          hover(this,"out");
        };
      }
    }
    
    var links = document.getElementsByTagName("a");
    for (var i=0; i < links.length; i++) {
      if (links[i].className.match("menu_item")) {
        if (links[i].getAttribute("href").indexOf("ttp:") <0 ){
          links[i].onclick = function() { //alert(this.getAttribute("href"));
            /* what is the value of f ? */
            changecontent( this.getAttribute("href").substr(this.getAttribute("href").indexOf("f=")+2) );
            return false;
          };
        }
      }
    }
  }
}





function setcontent(ars){
	if(ajaxRequest1.readyState == 4){
		// Get the data from the server's response
		document.getElementById('main_content').innerHTML = ajaxRequest1.responseText;
	}
}


function changecontent(c){ //alert(c);

	current_page = c

	setCookie('current_page',c,1);

	ajaxRequest1 = new ajaxRequest(); 
	ajaxRequest1.onreadystatechange = setcontent;
	
	ajaxRequest1.open("GET", "ajaxcontent.php?f=" + c, true);
	ajaxRequest1.send(null);
}

//alert("ADF");