function HomecheckForm() {
var errors='';

	if (document.ukphome.UKPPostcode.value == '') { 
	errors+=' - Please enter your full postcode.\n'; 
	}
	if (document.ukphome.UKPservice.value == '') { 
	errors+=' - Please select a service to compare.\n'; 
	}

	if (errors) {
	 alert('The following error(s) occurred:\n'+errors)
  return false;
  }
  return true;
}

function HomesetService() {

	if (document.ukphome.gas.checked == true && document.ukphome.electricity.checked == true) { 
	document.ukphome.UKPservice.value = 'dual';
	}
	
	if (document.ukphome.gas.checked == true && document.ukphome.electricity.checked != true) { 
	document.ukphome.UKPservice.value = 'gas';
	}
	
	if (document.ukphome.gas.checked != true && document.ukphome.electricity.checked == true) { 
	document.ukphome.UKPservice.value = 'elec';
	}


}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

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_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_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 HomecheckForm1() {
var errors='';
	if (document.ukphome.UKPPostcode.value == '' || document.form1.UKPPostcode.value == 'postcode') { 
	errors+=' - Please enter your full postcode.\n'; 
	}
	if (document.ukphome.UKPservice.value == 'Which service') { 
	errors+=' - Please select a service to compare.\n'; 
	}
	if (errors) {
	 alert('The following error(s) occurred:\n'+errors)
  return false;
  }
  return true;
}

function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

function DomInputcheckForm() {
var errors='';

	if (document.form.UKPpostcode.value == '') { 
	errors+=' - Please enter your full postcode.\n'; 
	}
	if (document.form.UKPservice.value == 'Please select') { 
	errors+=' - Please select a service to compare.\n'; 
	}
	
	if (errors) {
	 alert('The following error(s) occurred:\n'+errors)
  return false;
  }
  return true;
}

function ShowHideOptions(theTable)
{
     if (document.getElementById(theTable).style.display == 'none')
     {
document.getElementById("option1").style.display = 'none';
document.getElementById("option2").style.display = 'none';
document.getElementById("option3").style.display = 'none';
document.getElementById(theTable).style.display = 'block';
     }
     else
     {
          document.getElementById(theTable).style.display = 'none';
     }
}







function DuplicatePayMeth(thevalue) {
//document.form.UKPepaymeth.value = document.form.UKPgpaymeth.value;
document.getElementById("UKPepaymeth1").value = thevalue.value;
document.getElementById("UKPepaymeth2").value = thevalue.value;
document.getElementById("UKPepaymeth3").value = thevalue.value;
}
function ShowHideOptions(theTable)
{
     if (document.getElementById(theTable).style.display == 'none')
     {
document.getElementById("option1").style.display = 'none';
document.getElementById("option2").style.display = 'none';
document.getElementById("option3").style.display = 'none';
document.getElementById(theTable).style.display = 'block';
     }
     else
     {
          document.getElementById(theTable).style.display = 'none';
     }
}

function changeUnits(eSeven)
{
     if (document.getElementById(eSeven).value == '1')
     {
document.getElementById("UKPorigeunitslow").value = '1650';
document.getElementById("UKPorigeunitsmed").value = '3300';
document.getElementById("UKPorigeunitshigh").value = '4950';
     }
     else
     {
document.getElementById("UKPorigeunitslow").value = '3300';
document.getElementById("UKPorigeunitsmed").value = '6600';
document.getElementById("UKPorigeunitshigh").value = '9900';
     }
}