// JavaScript Document
function MM_validateForm() { //v4.0
  if (document.getElementById){
    var i,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]; val=document.getElementById(args[i]);
      if (val) { 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 == '');
} }
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

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_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function openTab(x) {
	var tab = x;
	if (tab == 1) {
		document.getElementById('productsDesc').style.display='block';
		document.getElementById('productsSpec').style.display='none';
		document.getElementById('productsIng').style.display='none';
		document.getElementById('productsRev').style.display='none';
		document.getElementById('productsSim').style.display='none';	
	}
	if (tab == 2) {
		document.getElementById('productsDesc').style.display='none';
		document.getElementById('productsSpec').style.display='block';
		document.getElementById('productsIng').style.display='none';
		document.getElementById('productsRev').style.display='none';
		document.getElementById('productsSim').style.display='none';			
	}
	if (tab == 3) {
		document.getElementById('productsDesc').style.display='none';
		document.getElementById('productsSpec').style.display='none';
		document.getElementById('productsIng').style.display='block';
		document.getElementById('productsRev').style.display='none';	
		document.getElementById('productsSim').style.display='none';		
	}
	if (tab == 4) {
		document.getElementById('productsDesc').style.display='none';
		document.getElementById('productsSpec').style.display='none';
		document.getElementById('productsIng').style.display='none';
		document.getElementById('productsRev').style.display='block';
		document.getElementById('productsSim').style.display='none';			
	}
	if (tab == 5) {
		document.getElementById('productsDesc').style.display='none';
		document.getElementById('productsSpec').style.display='none';
		document.getElementById('productsIng').style.display='none';
		document.getElementById('productsRev').style.display='none';	
		document.getElementById('productsSim').style.display='block';	
	}
}

function reSort(cId,s,sd,man,b) {
		var request;
		var url = 'catalog.cgi?c='+cId+'&s='+s+'&sd='+sd+'&man='+man+'&b='+b+'&unique='+Date();
		try {
			request=new XMLHttpRequest();
		} catch(e) {
			request=new ActiveXObject("Microsoft.XMLHTTP");
		}
			
			request.onreadystatechange=function() {
				if (request.readyState==4) {
					document.getElementById('bodyRight').innerHTML = request.responseText
				}
			}
			request.open("GET",url,true);
			request.send(null);
}
function addToCart(id,q,o) {
		var request;
		var url = 'http://www.favortheearth.com/cgi-bin/cart.cgi?action=add&id='+id+'&q='+q+'&option='+o+'&unique='+Date();
		try {
			request=new XMLHttpRequest();
		} catch(e) {
			request=new ActiveXObject("Microsoft.XMLHTTP");
		}
			
			request.onreadystatechange=function() {
				if (request.readyState==4) {
					cartDisplay();
					document.getElementById('floatLayer').innerHTML='You have added an item to your shopping cart';
					document.getElementById('floatLayer').style.display='block';
					timeMsg();
				}
			}
			request.open("GET",url,true);
			request.send(null);

}
function timeMsg() {
	var t=setTimeout("removeFloat()",4000);
}
function removeFloat(){
	document.getElementById('floatLayer').style.display='none';
}
function deleteItem(id) {
		var request;
		var url = 'cart.cgi?action=delete&id='+id+'&unique='+Date();
		try {
			request=new XMLHttpRequest();
		} catch(e) {
			request=new ActiveXObject("Microsoft.XMLHTTP");
		}
			
			request.onreadystatechange=function() {
				if (request.readyState==4) {
					document.getElementById('bodyRight').innerHTML = request.responseText
					cartDisplay();
				}
			}
			request.open("GET",url,true);
			request.send(null);	
}
function updateCart(id,q) {
		var request;
		var url = 'cart.cgi?action=update&id='+id+'&q='+q+'&unique='+Date();
		try {
			request=new XMLHttpRequest();
		} catch(e) {
			request=new ActiveXObject("Microsoft.XMLHTTP");
		}
			
			request.onreadystatechange=function() {
				if (request.readyState==4) {
					document.getElementById('bodyRight').innerHTML = request.responseText
					cartDisplay();
				}
			}
			request.open("GET",url,true);
			request.send(null);	
}
function emptyCart() {
		var request;
		var url = 'cart.cgi?action=empty&unique='+Date();
		try {
			request=new XMLHttpRequest();
		} catch(e) {
			request=new ActiveXObject("Microsoft.XMLHTTP");
		}
			
			request.onreadystatechange=function() {
				if (request.readyState==4) {
					document.getElementById('bodyRight').innerHTML = request.responseText
					cartDisplay();
				}
			}
			request.open("GET",url,true);
			request.send(null);	
}
function cartDisplay() {
		var bURL = '';
		if (location.protocol == 'https:') {bURL = 'https';} else {bURL = 'http';}
		var request;
		var url = bURL+'://www.favortheearth.com/cgi-bin/cartCheck.cgi?unique='+Date();
		try {
			request=new XMLHttpRequest();
		} catch(e) {
			request=new ActiveXObject("Microsoft.XMLHTTP");
		}
			
			request.onreadystatechange=function() {
				if (request.readyState==4) {
					document.getElementById('viewCartDiv').innerHTML = request.responseText
				}
			}
			request.open("GET",url,true);
			request.send(null);		
}
function showSpot(x) {
	var spot = x;
	if (spot == 1) {
		document.getElementById('spotBox1').style.display='block';
		document.getElementById('spotBox2').style.display='none';
		document.getElementById('spotBox3').style.display='none';
	}
	if (spot == 2) {
		document.getElementById('spotBox1').style.display='none';
		document.getElementById('spotBox2').style.display='block';
		document.getElementById('spotBox3').style.display='none';		
	}
	if (spot == 3) {
		document.getElementById('spotBox1').style.display='none';
		document.getElementById('spotBox2').style.display='none';
		document.getElementById('spotBox3').style.display='block';		
	}
}