var int_cloud_left=new Array(16);
int_cloud_left[0]=-150;
int_cloud_left[1]=-150;
int_cloud_left[2]=-150;
int_cloud_left[3]=-150;
int_cloud_left[4]=-150;
int_cloud_left[5]=-150;
int_cloud_left[6]=-150;
int_cloud_left[7]=-150;
int_cloud_left[8]=-150;
int_cloud_left[9]=-150;
int_cloud_left[10]=-150;
int_cloud_left[11]=-150;
int_cloud_left[12]=-150;
int_cloud_left[13]=-150;
int_cloud_left[14]=-150;
int_cloud_left[15]=-150;
var int_cloud_speed=new Array(16);
var str_i=0;
int_cloud_speed[0]=0;
int_cloud_speed[1]=0;
int_cloud_speed[2]=0;
int_cloud_speed[3]=0;
int_cloud_speed[4]=0;
int_cloud_speed[5]=0;
int_cloud_speed[6]=0;
int_cloud_speed[7]=0;
int_cloud_speed[8]=0;
int_cloud_speed[9]=0;
int_cloud_speed[10]=0;
int_cloud_speed[11]=0;
int_cloud_speed[12]=0;
int_cloud_speed[13]=0;
int_cloud_speed[14]=0;
int_cloud_speed[15]=0;

function func_init() {
	func_loaddata("_data/home.php?nocache="+Math.random(),"init","content");
	func_reset_cloud('0');
	func_reset_cloud('1');
	func_reset_cloud('2');
	func_reset_cloud('3');
	func_reset_cloud('4');
	func_reset_cloud('5');
	func_reset_cloud('6');
	func_reset_cloud('7');
	func_reset_cloud('8');
	func_reset_cloud('9');
	func_reset_cloud('10');
	func_reset_cloud('11');
	func_reset_cloud('12');
	func_reset_cloud('13');
	func_reset_cloud('14');
	func_reset_cloud('15');
	func_feature();
}

function func_feature() {
	func_loaddata("_modules/feature.php?nocache="+Math.random(),"","featured");
	setTimeout("func_feature();",20000);
}

function func_anim_cloud(int_id) {
	if (int_cloud_left[int_id]>600) {
		func_reset_cloud(int_id);
		int_cloud_left[int_id]=-150;
	} else {
		document.getElementById('cloud'+int_id).style.left=int_cloud_left[int_id]+"px";
		int_cloud_left[int_id]+=int_cloud_speed[int_id];
		setTimeout("func_anim_cloud('"+int_id+"')",50);
	}
}

function func_reset_cloud(int_id) {
	int_cloud_top=Math.round(Math.random()*250)-90;
	int_cloud_zindex=Math.round(Math.random()*10);
	int_cloud_wait=Math.round(Math.random()*6000);
	int_cloud_speed[int_id]=Math.round(Math.random()*3);
	setTimeout("func_anim_cloud('"+int_id+"')",int_cloud_wait);
	document.getElementById('cloud'+int_id).style.zIndex=int_cloud_zindex;
	document.getElementById('cloud'+int_id).style.top=int_cloud_top+"px";
	document.getElementById('cloud'+int_id).style.left="-200px";
}

function func_load(str_loadthis) {
	document.getElementById('loader').style.display="block";
	func_loaddata("_data/"+str_loadthis+".php?nocache="+Math.random(),"","content");
	document.getElementById('but_home').className="";
	document.getElementById('but_about').className="";
	document.getElementById('but_portfolio').className="";
	document.getElementById('but_contact').className="";
	document.getElementById('but_'+str_loadthis).className="selected";
	str_char=str_loadthis.substring(0,1).toUpperCase();
	document.title="John Ashley Martin - Portfolio - "+str_char+str_loadthis.substring(1);
}

function func_loaddata(str_url,str_init,str_id) {
	var xmlhttp=false;
	/*@cc_on @*/
	/*@if (@_jscript_version >= 5)
	// JScript gives us Conditional compilation, we can cope with old IE versions.
	// and security blocked creation of the objects.
	try {
		xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
	} catch (e) {
		try {
			xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
		} catch (E) {
			xmlhttp = false;
		}
	}
	@end @*/

	if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
		xmlhttp=new XMLHttpRequest();
	}
	xmlhttp.open("GET",str_url,true);
	xmlhttp.onreadystatechange=function() {
		if (xmlhttp.readyState==4) {
			document.getElementById(str_id).innerHTML=xmlhttp.responseText;
			document.getElementById('loader').style.display="none";
			if (str_init=="init") {
				func_fade(100);
			}
		}
	}
	xmlhttp.send(null);
}

function func_portfolio(int_id) {
	document.getElementById('loader').style.display="block";
	document.getElementById('but_home').className="";
	document.getElementById('but_about').className="";
	document.getElementById('but_portfolio').className="selected";
	document.getElementById('but_contact').className="";
	func_loaddata("_data/portfolio.php?id="+int_id+"&nocache="+Math.random(),"","content");
}
function func_reset_portfolio() {
	document.getElementById('loader').style.display="block";
	func_loaddata("_data/portfolio.php?nocache="+Math.random(),"","content");
}

function func_window(str_url,str_name,str_attrs) {
	window.open(str_url,str_name,str_attrs);
}

function func_opacity(opacity) {
	obj=document.getElementById("starter");
	opacity=(opacity==100)?99.999:opacity;
	obj.style.filter="alpha(opacity:"+opacity+")";
	obj.style.KHTMLOpacity=opacity/100;
	obj.style.MozOpacity=opacity/100;
	obj.style.opacity=opacity/100;
}

function func_fade(opacity) {
	if (opacity>=0) {
		func_opacity(opacity);
		opacity-=5;
		setTimeout("func_fade("+opacity+")",10);
	} else {
		document.getElementById("starter").style.display="none";
	}
}

function func_contact() {
	document.getElementById('input_submit').value="Sending data...";
	document.getElementById('input_submit').disabled="disabled";
}

function setActiveStyleSheet(title) {
  var i, a, main;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
      a.disabled = true;
      if(a.getAttribute("title") == title) a.disabled = false;
    }
  }
}

function getActiveStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && !a.disabled) return a.getAttribute("title");
  }
  return null;
}

function getPreferredStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1
       && a.getAttribute("rel").indexOf("alt") == -1
       && a.getAttribute("title")
       ) return a.getAttribute("title");
  }
  return null;
}

function createCookie(name,value,days) {
    var date = new Date();
    date.setTime(date.getTime()+(days*24*60*60*1000));
    var expires = "; expires="+date.toGMTString();
    document.cookie = name+"="+value+expires+"; path=/; domain=johnamartin.net";
}

function readCookie(name) {
  var nameEQ = name + "=";
  var ca = document.cookie.split(';');
  for(var i=0;i < ca.length;i++) {
    var c = ca[i];
    while (c.charAt(0)==' ') c = c.substring(1,c.length);
    if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
  }
  return null;
}

window.onload = function(e) {
  var cookie = readCookie("CSSstyle");
  var title = cookie ? cookie : getPreferredStyleSheet();
  setActiveStyleSheet(title);
}

window.onunload = function(e) {
  var title = getActiveStyleSheet();
  createCookie("CSSstyle", title, 365);
}

var cookie = readCookie("CSSstyle");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);