function add(p1, p2, p3, p4) {
	//Passed Parameters from HTML:
	//	p1 = item description
	//	p2 = item code
	//	p3 = price
	//	p4 = 'extra' (OPTIONAL if used to add shipping charges)
	
	//Constants
	v1="https://www.paypal.com/cart/add=1";									// PayPal cart Url (required)
	v2="&business="+escape("Orders@IversonDuckCalls.com");					// E-Mail Address used in PayPal (required)
	v3="&return=http://www.IversonDuckCalls.com/thankyou.htm";				// Url for Thank You page (optional)
	v4="&cancel_return=http://www.IversonDuckCalls.com/cancel.htm";			// Url for Canceled orders (optional)
	v5="",				//EXAMPLE: "&image_url=https://sslhost/logo.gif";	// Url for 150x50 logo (optional)
	v6="",				//EXAMPLE: "&handling=2.00";						// Handling Charge (optional)
	s1="&shipping="+escape("8.50");											// Regular shipping fee
	s2="&shipping2="+escape("1.50");										// Shipping Each Additional Item
	s3="";																	// Leave Blank
	
	if (document.cookie.length > 0) {
		s1="&shipping="+escape("1.50");										// change shipping rate
	}
	
	if (p4 > "") {
		s1 = "";															// set to null
		s2 = "";															// set to null
		s3 = "&on0=NOTE&os0="+escape("EXTRA SHIPPING COST");				// show note when extra shipping
	}

	url = v1+v2+v3+v4+v5+v6+s1+s2+s3;
	params = "&item_name=" + escape(p1) + "&item_number=" + escape(p2) + "&amount=" + escape(p3);
	attrib = "width=650,height=400,scrollbars,resizable,status";			   // popup attributes

	if (p4 == null) {
		document.cookie = "alt=1";
	}
	
	window.open(url+params,'cartwin',attrib);
}

function view() {
	url = "https://www.paypal.com/cart/display=1&business="+escape("Orders@IversonDuckCalls.com");
	window.open(url,'cartwin',attrib);
}