function getXmlHttpRequestObject() {
	if (window.XMLHttpRequest) {
		return new XMLHttpRequest();
	} else if(window.ActiveXObject) {
		return new ActiveXObject("Microsoft.XMLHTTP");
	} else {
		alert("It's about time to upgrade you browser don't you think?");
	}
}

var getReq = getXmlHttpRequestObject();
var current_style=1;

function change_style(id,save)
{
var pointer_left=(id-1)*82+3;
document.getElementById('header-pointer').style.left=pointer_left+'px';
document.getElementById('header-logo').style.backgroundImage='url(/templates/default/images/logo-'+id+'.jpg)';
document.getElementById('bottom').style.backgroundImage='url(/templates/default/images/bottom-bg-'+id+'.jpg)';
document.getElementById('bottom-center').style.backgroundImage='url(/templates/default/images/bottom-'+id+'.jpg)';

if (getReq.readyState == 4 || getReq.readyState == 0) {
	var rand  = Math.random();
	getReq.open("GET", 'set_style.php?id='+id+'&save='+save+'&rand='+rand, true);
	getReq.onreadystatechange = eval_response;
	getReq.send(null);
}

}


function display_portofolio(id)
{
if (getReq.readyState == 4 || getReq.readyState == 0) {
	var rand  = Math.random();
	getReq.open("GET", 'portofolio.html?id='+id+'&ajax=1&rand='+rand, true);
	getReq.onreadystatechange = eval_response;
	getReq.send(null);
}
}

function eval_response()
{
	if (getReq.readyState == 4) eval(getReq.responseText);
}


function set_style()
{
	if (getReq.readyState == 4) eval(getReq.responseText);
}




function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_validateForm() { //v4.0
  var i,field,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; field=args[i+1]; val=MM_findObj(args[i]);
    if (val) { 
	if (field!='') nm=field; else nm=val.name;
	if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- "'+nm+'" must contain an e-mail address.\n';
      } else if (test!='R') { num = parseFloat(val);
        if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (num<min || max<num) errors+='- "'+nm+'" must contain a number between '+min+' and '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- "'+nm+'" is required.\n'; }
  } if (errors) alert('The following error(s) occurred:\n'+errors);
  document.MM_returnValue = (errors == '');
}
