function ajaxLoad(url) {
  if (document.getElementById) {
	var x = (window.ActiveXObject) ? new ActiveXObject("Microsoft.XMLHTTP") : new XMLHttpRequest();
  }
  if (x) {
	x.onreadystatechange = function() {
	  var status = "";
	  try{
	  if (x.readyState == 4 && x.status == 200) {
		var nothing = (x.responseText);
	   }
	  }catch(e){
		  alert("ajax fail 3");
	  }
	}
	x.open("GET", url, true);
	x.send(null);
  }else{
	alert("couldn't create ajax object");
  }
}

function spreadForm() {
	var start = document.getElementById('spreadStart');
	var form = document.getElementById('spreadForm');
	start.style.display = 'none';
	form.style.display = 'block';
}

function spreadForm2() {
	var nameField = document.getElementById('txtFriendsName');
	var emailField = document.getElementById('txtFriendsEmail');
	var error = document.getElementById('spreadError');
	if(nameField.value == '' || emailField.value == '') {
		error.style.display = 'block';
	}else if(emailField.value!='' && validEmail(emailField.value)==false) {
		error.style.display = 'block';
	}else{
		var form = document.getElementById('spreadForm');
		var form2 = document.getElementById('spreadForm2');
		form.style.display = 'none';
		form2.style.display = 'block';
	}
}

function spreadSubmit() {
	var nameField = document.getElementById('txtYourName');
	var emailField = document.getElementById('txtYourEmail');
	var nameField2 = document.getElementById('txtFriendsName');
	var emailField2 = document.getElementById('txtFriendsEmail');
	var name = nameField.value;
	var email = emailField.value;
	var name2 = nameField2.value;
	var email2 = emailField2.value;
	var error = document.getElementById('spreadError2');
	if(nameField.value == '' || emailField.value == '') {
		error.style.display = 'block';
	}else if(emailField.value!='' && validEmail(emailField.value)==false) {
		error.style.display = 'block';
	}else{
		ajaxLoad('send2friend.aspx?txtFriendsName='+name2+'&txtFriendsEmail='+email2+'&txtYourName='+name+'&txtYourEmail='+email);
		var final = document.getElementById('spreadFinal');
		var form2 = document.getElementById('spreadForm2');
		form2.style.display = 'none';
		final.style.display = 'block';
	}
}

function spreadReset() {
	var start = document.getElementById('spreadStart');
	var final = document.getElementById('spreadFinal');
	var nameField = document.getElementById('txtYourName');
	var emailField = document.getElementById('txtYourEmail');
	var nameField2 = document.getElementById('txtFriendsName');
	var emailField2 = document.getElementById('txtFriendsEmail');
	var error = document.getElementById('spreadError');
	var error2 = document.getElementById('spreadError2');
	
	final.style.display = 'none';
	start.style.display = 'block';
	
	nameField.value = '';
	emailField.value = '';
	nameField2.value = '';
	emailField2.value = '';
	error.style.display = 'none';
	error2.style.display = 'none';
}

function validEmail(str) {
	return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
}

function bookmark() {
	var url = 'http://www.2minutes.org.uk/';
	var title ='Doubt Kills Campaign Website';
	if((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4)) {
		window.external.AddFavorite(document.location.href , document.title);
	}else if (navigator.vendor == 'Apple Computer, Inc.') {
		alert("Press CMD-D to bookmark");
	}else if (navigator.appName == "Netscape") {
		//window.sidebar.addPanel(document.title,document.location.href,"");
		alert("Press CTRL-D to bookmark this site");
	} else {
		alert("Press CTRL-D (Netscape) or CTRL-T (Opera) to bookmark");
	}
}

var homeSrcs = new Array();
homeSrcs[0] = 'art/BannerImage1.jpg';
homeSrcs[1] = 'art/BannerImage2.jpg';
homeSrcs[2] = 'art/BannerImage3.jpg';

var homeTexts = new Array();
homeTexts[0] = '94 Fathers die from a heart attack every day';
homeTexts[1] = '245 first loves die from a heart attack every day';
homeTexts[2] = '85 Mothers die from a heart attack every day';

var defaultTexts = new Array();
defaultTexts[0] = '<img src="art/HomeImage1.jpg" class="floatBox" alt="Father and daughter" id="storyimage" /> 94 Fathers die from a heart attack every day';
defaultTexts[1] = '<img src="art/HomeImage2.jpg" class="floatBox" alt="First love" id="storyimage" /> 245 first loves die from a heart attack every day';
defaultTexts[2] = '<img src="art/HomeImage3.jpg" class="floatBox" alt="Mother and son" id="storyimage" /> 85 Mothers die from a heart attack every day';

var homeNum = Math.floor(Math.random()*3);