if (document.images)
   {
     piccarton= new Image(71,22);
     piccarton.src="images/view_cart_button_over.gif";  

     piccartoff= new Image(71,22);
     piccartoff.src="images/view_cart_button.gif";

     piccheckouton= new Image(71,22);
     piccheckouton.src="images/checkout_button_over.gif";  

     piccheckoutoff= new Image(71,22);
     piccheckoutoff.src="images/checkout_button.gif";
	 
     picpurchaseon= new Image(71,22);
     picpurchaseon.src="images/purchase_button.gif";
	 
     picpurchaseoff= new Image(71,22);
     picpurchaseoff.src="images/purchase_button_over.gif";
	 
     submiton= new Image(71,22);
     submiton.src="images/submit_button_over.gif";  

     submitoff= new Image(71,22);
     submitoff.src="images/submit_button.gif";
	 
	 sendon= new Image(71,22);
     sendon.src="images/send_button_over.gif";  

     sendoff= new Image(71,22);
     sendoff.src="images/send_button.gif";
	 
	 addtocarton= new Image(82,22);
     addtocarton.src="images/addtocart_button_over.gif";

	 addtocartoff= new Image(82,22);
     addtocartoff.src="images/addtocart_button.gif";
	 

	 continueshoppingon= new Image(128,22);
     continueshoppingon.src="images/continueshopping_button_over.gif";
	 
	 continueshoppingoff= new Image(128,22);
     continueshoppingoff.src="images/continueshopping_button.gif";
	 
	 checkouton= new Image(71,22);
     checkouton.src="images/checkout_button_over.gif";
	 
	 checkoutoff= new Image(71,22);
     checkoutoff.src="images/checkout_button.gif";
	 
	 confirmorderon= new Image(102,22);
     confirmorderon.src="images/confirmorder_button_over.gif";
	 
	 confirmorderoff= new Image(102,22);
     confirmorderoff.src="images/confirmorder_button.gif";
   }

function lightup(imgName)
 {
   if (document.images)
    {
      imgOn=eval(imgName + "on.src");
      document[imgName].src= imgOn;
    }
 }

function turnoff(imgName)
 {
   if (document.images)
    {
      imgOff=eval(imgName + "off.src");
      document[imgName].src= imgOff;
    }
 }
 
 function copyaddress() {
 		if (document.frm.chksameshipping.checked) 
        {
            document.frm.txtsaddress.value=document.frm.txtbaddress.value;
            document.frm.txtscity.value=document.frm.txtbcity.value;
            document.frm.txtsregion.value=document.frm.txtbregion.value;
            document.frm.txtspostcode.value=document.frm.txtbpostcode.value;
            document.frm.selscountry.value=document.frm.selbcountry.value;
        }
        else 
        {
            document.frm.txtsaddress.value="";
            document.frm.txtscity.value="";
            document.frm.txtsregion.value="";
            document.frm.txtspostcode.value="";
            document.frm.selscountry.value="";
        }
    }
	
	function checkshippingaddress() {
		var errMsg ;
		var errCode;
		errCode=0;
		errMsg= "Please enter the following details ! \n";
		if (document.frmCheckOut.txtName.value=="")
		{
			errCode=1;
			errMsg=errMsg + " - Contact Name\n";
		}
		 
        if (document.frmCheckOut.txtAddress.value=="")
		{
			errCode=1;
			errMsg=errMsg + " - Address\n";
		}
		 
        if (document.frmCheckOut.txtCity.value=="")
		{
			errCode=1;
			errMsg=errMsg + " - City\n";
		}
		 
        if (document.frmCheckOut.txtCounty.value=="")
		{
			errCode=1;
			errMsg=errMsg + " - State / County\n";
		}
		 
        if (document.frmCheckOut.txtPostCode.value=="")
		{
			errCode=1;
			errMsg=errMsg + " - PostCode / Zip\n";
		}
		 
        if (document.frmCheckOut.selCountry.value=="")
		{
			errCode=1;
			errMsg=errMsg + " - Country\n";
		}
		
		if (errCode==0) 
		{
			document.frmCheckOut.action="confirmorder.asp";
			document.frmCheckOut.submit();
		}
		else
		{
			alert(errMsg);
		}
    }

function checkquantitybyfield(msg,qty,field) {
		if (field.value>qty)
		{
			alert (msg);
			event.returnValue = false;
			field.focus();
		}
    }

function msgoutofstock(msg,qty,field) {
		if (field.value>qty)
		{
			var answer = confirm(msg)
			if (answer)
			{
			}
			else
			{
				event.returnValue = false;
				field.focus();
			}

		}
    }


	
function checkquantity(msg,qty,field) {
		if (field>qty)
		{
			alert (msg);
			event.returnValue = false;
		}
    }