// Product page scripts

/* START of MD5 hashing js - minified - use hex_md5(str) to get hashed version of str */
var hexcase=0;function hex_md5(a){return rstr2hex(rstr_md5(str2rstr_utf8(a)))}function rstr_md5(a){return binl2rstr(binl_md5(rstr2binl(a),a.length*8))}function rstr2hex(c){try{hexcase}catch(g){hexcase=0}var f=hexcase?"0123456789ABCDEF":"0123456789abcdef";var b="";var a;for(var d=0;d<4;d++){a=c.charCodeAt(d);b+=f.charAt((a>>>4)&15)+f.charAt(a&15)}return b}function str2rstr_utf8(c){var b="";var d=-1;var a,e;while(++d<c.length){a=c.charCodeAt(d);e=d+1<c.length?c.charCodeAt(d+1):0;if(55296<=a&&a<=56319&&56320<=e&&e<=57343){a=65536+((a&1023)<<10)+(e&1023);d++}if(a<=127){b+=String.fromCharCode(a)}else{if(a<=2047){b+=String.fromCharCode(192|((a>>>6)&31),128|(a&63))}else{if(a<=65535){b+=String.fromCharCode(224|((a>>>12)&15),128|((a>>>6)&63),128|(a&63))}else{if(a<=2097151){b+=String.fromCharCode(240|((a>>>18)&7),128|((a>>>12)&63),128|((a>>>6)&63),128|(a&63))}}}}}return b}function rstr2binl(b){var a=Array(b.length>>2);for(var c=0;c<a.length;c++){a[c]=0}for(var c=0;c<b.length*8;c+=8){a[c>>5]|=(b.charCodeAt(c/8)&255)<<(c%32)}return a}function binl2rstr(b){var a="";for(var c=0;c<b.length*32;c+=8){a+=String.fromCharCode((b[c>>5]>>>(c%32))&255)}return a}function binl_md5(p,k){p[k>>5]|=128<<((k)%32);p[(((k+64)>>>9)<<4)+14]=k;var o=1732584193;var n=-271733879;var m=-1732584194;var l=271733878;for(var g=0;g<p.length;g+=16){var j=o;var h=n;var f=m;var e=l;o=md5_ff(o,n,m,l,p[g+0],7,-680876936);l=md5_ff(l,o,n,m,p[g+1],12,-389564586);m=md5_ff(m,l,o,n,p[g+2],17,606105819);n=md5_ff(n,m,l,o,p[g+3],22,-1044525330);o=md5_ff(o,n,m,l,p[g+4],7,-176418897);l=md5_ff(l,o,n,m,p[g+5],12,1200080426);m=md5_ff(m,l,o,n,p[g+6],17,-1473231341);n=md5_ff(n,m,l,o,p[g+7],22,-45705983);o=md5_ff(o,n,m,l,p[g+8],7,1770035416);l=md5_ff(l,o,n,m,p[g+9],12,-1958414417);m=md5_ff(m,l,o,n,p[g+10],17,-42063);n=md5_ff(n,m,l,o,p[g+11],22,-1990404162);o=md5_ff(o,n,m,l,p[g+12],7,1804603682);l=md5_ff(l,o,n,m,p[g+13],12,-40341101);m=md5_ff(m,l,o,n,p[g+14],17,-1502002290);n=md5_ff(n,m,l,o,p[g+15],22,1236535329);o=md5_gg(o,n,m,l,p[g+1],5,-165796510);l=md5_gg(l,o,n,m,p[g+6],9,-1069501632);m=md5_gg(m,l,o,n,p[g+11],14,643717713);n=md5_gg(n,m,l,o,p[g+0],20,-373897302);o=md5_gg(o,n,m,l,p[g+5],5,-701558691);l=md5_gg(l,o,n,m,p[g+10],9,38016083);m=md5_gg(m,l,o,n,p[g+15],14,-660478335);n=md5_gg(n,m,l,o,p[g+4],20,-405537848);o=md5_gg(o,n,m,l,p[g+9],5,568446438);l=md5_gg(l,o,n,m,p[g+14],9,-1019803690);m=md5_gg(m,l,o,n,p[g+3],14,-187363961);n=md5_gg(n,m,l,o,p[g+8],20,1163531501);o=md5_gg(o,n,m,l,p[g+13],5,-1444681467);l=md5_gg(l,o,n,m,p[g+2],9,-51403784);m=md5_gg(m,l,o,n,p[g+7],14,1735328473);n=md5_gg(n,m,l,o,p[g+12],20,-1926607734);o=md5_hh(o,n,m,l,p[g+5],4,-378558);l=md5_hh(l,o,n,m,p[g+8],11,-2022574463);m=md5_hh(m,l,o,n,p[g+11],16,1839030562);n=md5_hh(n,m,l,o,p[g+14],23,-35309556);o=md5_hh(o,n,m,l,p[g+1],4,-1530992060);l=md5_hh(l,o,n,m,p[g+4],11,1272893353);m=md5_hh(m,l,o,n,p[g+7],16,-155497632);n=md5_hh(n,m,l,o,p[g+10],23,-1094730640);o=md5_hh(o,n,m,l,p[g+13],4,681279174);l=md5_hh(l,o,n,m,p[g+0],11,-358537222);m=md5_hh(m,l,o,n,p[g+3],16,-722521979);n=md5_hh(n,m,l,o,p[g+6],23,76029189);o=md5_hh(o,n,m,l,p[g+9],4,-640364487);l=md5_hh(l,o,n,m,p[g+12],11,-421815835);m=md5_hh(m,l,o,n,p[g+15],16,530742520);n=md5_hh(n,m,l,o,p[g+2],23,-995338651);o=md5_ii(o,n,m,l,p[g+0],6,-198630844);l=md5_ii(l,o,n,m,p[g+7],10,1126891415);m=md5_ii(m,l,o,n,p[g+14],15,-1416354905);n=md5_ii(n,m,l,o,p[g+5],21,-57434055);o=md5_ii(o,n,m,l,p[g+12],6,1700485571);l=md5_ii(l,o,n,m,p[g+3],10,-1894986606);m=md5_ii(m,l,o,n,p[g+10],15,-1051523);n=md5_ii(n,m,l,o,p[g+1],21,-2054922799);o=md5_ii(o,n,m,l,p[g+8],6,1873313359);l=md5_ii(l,o,n,m,p[g+15],10,-30611744);m=md5_ii(m,l,o,n,p[g+6],15,-1560198380);n=md5_ii(n,m,l,o,p[g+13],21,1309151649);o=md5_ii(o,n,m,l,p[g+4],6,-145523070);l=md5_ii(l,o,n,m,p[g+11],10,-1120210379);m=md5_ii(m,l,o,n,p[g+2],15,718787259);n=md5_ii(n,m,l,o,p[g+9],21,-343485551);o=safe_add(o,j);n=safe_add(n,h);m=safe_add(m,f);l=safe_add(l,e)}return Array(o,n,m,l)}function md5_cmn(h,e,d,c,g,f){return safe_add(bit_rol(safe_add(safe_add(e,h),safe_add(c,f)),g),d)}function md5_ff(g,f,k,j,e,i,h){return md5_cmn((f&k)|((~f)&j),g,f,e,i,h)}function md5_gg(g,f,k,j,e,i,h){return md5_cmn((f&j)|(k&(~j)),g,f,e,i,h)}function md5_hh(g,f,k,j,e,i,h){return md5_cmn(f^k^j,g,f,e,i,h)}function md5_ii(g,f,k,j,e,i,h){return md5_cmn(k^(f|(~j)),g,f,e,i,h)}function safe_add(a,d){var c=(a&65535)+(d&65535);var b=(a>>16)+(d>>16)+(c>>16);return(b<<16)|(c&65535)}function bit_rol(a,b){return(a<<b)|(a>>>(32-b))};
/* END of MD5 hashing js - minified - use hex_md5(str) to get hashed version of str */

function currency(n) {
	var x = n.toFixed(2) + '';
	var rgx = /(\d+)(\d{3})/;
	while (rgx.test(x)) {
		x = x.replace(rgx, '$1,$2');
	}
	return '$' + x;
}

function updatePriceDisplay() {
	var salePrice = baseSalePrice, strnewadd = '', newadd = 0, optionid = '', cset, p, macsi;
	for (cset in pos) {
		salePrice += pos[cset][pos[cset]['selected']];
		for (p in pos[cset]) {
			if (p !== 'selected') {
				newadd = pos[cset][p] - pos[cset][pos[cset]['selected']];
				if (newadd === 0) {
					strnewadd = (p === pos[cset]['selected'] ? 'Included in Price' : '--');
				} else if (newadd > 0) {
					strnewadd = 'Add ' + currency(newadd);
				} else {
					strnewadd = 'Subtract ' + currency(-newadd);
				}
				optionid = 'addoption' + cset + p;
				selectoptionid = 'selectoption' + cset;
				if (document.getElementById(optionid)) {
					document.getElementById(optionid).innerHTML = strnewadd;
				} else if (document.getElementById(selectoptionid)) {
					document.getElementById(selectoptionid)[p].innerHTML = document.getElementById(selectoptionid)[p].title + (strnewadd === '--' ? '' : ' &nbsp; &nbsp; &nbsp; (' +strnewadd + ')');
				}
			}
		}
	}
	price = salePrice / (1.00 - savingsRatio);
	if (document.getElementById('priceDisplay')) {
		document.getElementById('priceDisplay').innerHTML = currency(price);
	}
	if (document.getElementById('salePriceDisplay')) {
		document.getElementById('salePriceDisplay').innerHTML = currency(salePrice);
	}
	if (document.getElementById('youSaveDisplay')) {
		document.getElementById('youSaveDisplay').innerHTML = currency(price - salePrice + rebate) + ' (' + Math.round((price - salePrice + rebate) / price * 100.00) + '%)';
	}
	if (document.getElementById('priceAfterRebateDisplay')) {
		document.getElementById('priceAfterRebateDisplay').innerHTML = currency(salePrice - rebate);
	}
	for (macsi in macs) {
		if (document.getElementById('crossadd' + macsi)) {
			document.getElementById('crossadd' + macsi).innerHTML = currency(macs[macsi] + salePrice);
		}
	}
}

function updatePrice(poset, po) {
	pos[poset]['selected'] = po;
	updatePriceDisplay();
}

function verifyCartSubmit() {
	for (var verif in verifs) {
		if (!document.getElementById(verif).checked) {
			alert(verifs[verif]);
			return false;
		}
	}
	var cartButton = document.getElementById('add-to-cart-button');
	cartButton.style.display = 'none';
	var newButton = document.createElement('input');
	newButton.type = 'submit';
	newButton.disabled = true;
	newButton.id = 'add-to-cart-button';
	newButton.value = 'Adding Items';
	cartButton.parentNode.appendChild(newButton);
	return CartSubmit();
}

function adderIsDone() {
	document.getElementById('addToCartForm').submit();
}

function CartSubmit() {
	if (firstCartSubmitRun) {
		firstCartSubmitRun = false;
		var inputs = document.getElementsByTagName('input');
		var submitUrl = 'http://order.store.yahoo.net/cgi-bin/wg-order?vwcatalog=opticsplanet';
		var bundlePatt = /bundle(-)?(\s)?sale/i;
		for (var i = 0; i < inputs.length; i++) {
			if (inputs[i].type === 'text') {
				inputs[i].value = inputs[i].value.replace(/:/g, ' ');
			}
			if (bundlePatt.test(inputs[i].name)) {
				if (inputs[i].checked && inputs[i].value !== '' && inputs[i].value !== 'none') {
					var prodSku = document.getElementById('product-sku').innerHTML;
					var bundleSku = inputs[i].value.replace(/bundle-\d{6}/, '');
					var hashCode = hex_md5(prodSku + bundleSku);
					submitUrl += '&vwitem=' + inputs[i].id.replace('crosssell-', '') + '&OPBC=' + hashCode;
					var newInput = document.createElement('input');
					newInput.type = 'hidden';
					newInput.name = 'OPBP';
					newInput.value = hashCode;
					document.getElementById('addToCartForm').appendChild(newInput);
				}
			}
		}
		if (submitUrl === 'http://order.store.yahoo.net/cgi-bin/wg-order?vwcatalog=opticsplanet') {
			return true;
		} else {
			document.getElementById('addercontainer').innerHTML = '<img onerror="adderIsDone();" src="' + submitUrl + '">';
		}
	} else {
		var inputs = document.getElementsByTagName('input');
		for (var i = 0; i < inputs.length; i++) {
			if (inputs[i].type === 'text') {
				inputs[i].value = inputs[i].value.replace(/:/g, ' ');
			}
		}
		return true;
	}
	return false;
}