// add_sale_price :
// for yahoo stores only. if a sale price exists for the product,
// changes the formatting for the original price and a formatted
// sale price											
											
// requires <div id="price_module"> around 
// the <p id="product_price"> tag

// requires the following css classes:
// .price_list  (crosses out and/or de-emphasizes original product price)
// .price_sale  (formats the new sale price)

// call this function inline with the HTML,
// right after the price_module <div>


// have to have <span id="" class="hide"></span> in place where tag is to be shown

// requires .hide class in css file, set to display: none;


function yahoostore_show_unblank_tag(tag_content, target_span_id, p_classname) {
	
	if (tag_content != '') {
		
		// un-hide the content target <span>
		var target_span = document.getElementById(target_span_id);
		
		if (target_span) {
			target_span.className = 'show';
			
			// create a new <p> node containing the tag content and 
			// append it to the target <span> element
			var p = document.createElement('p');
			p.className = p_classname;
			var txt = document.createTextNode(tag_content);
			p.appendChild(txt);
			target_span.appendChild(p);
		}	
	}
	else {
		return false;
	}
}

// this stores currently active menu button
var activeId = "";

var swap_pages_ok = false;

function enable_swap_pages() {

	// don't allow rollover pages to show
	// until 5 seconds after page load
	
	setTimeout ( "swap_pages_ok = true", 3000 );
}

function swap_pages(page_name) {
	
	var default_page = 'content_main';
	var default_bkgd = 'bkgd_home';
	
	if (document.getElementById('product_grid') != null) {
		default_page = 'product_grid';
	}
	
	var pages = new Array('page_bookmarks',
	                  'page_carpets',
	                  'page_coasters',
	                  'page_coinpurses',
	                  'page_displays',
	                  'page_greetingcards',
	                  'page_mousepads');
	
	var found_page = false;
	
	for(var i = 0; i < pages.length; i++){
		if(page_name != pages[i]) {
			document.getElementById(pages[i]).style.display = 'none';
		}
		else {
		
			if (swap_pages_ok) {	
				document.getElementById(pages[i]).style.display = 'block';
				found_page = true;
				
				if (document.getElementById('infopage_tables')) {
					document.getElementById('infopage_tables').style.display = 'none';
				}
			}
		}
	}
	
	if (found_page) {
		document.getElementById(default_page).style.display = 'none';
		document.getElementById(default_bkgd).style.display = 'none';
	}
	else {
		if (document.getElementById('infopage_tables')) {
			document.getElementById('infopage_tables').style.display = 'block';
		}
		document.getElementById(default_page).style.display = 'block';
		document.getElementById(default_bkgd).style.display = 'block';		
	}
}


// only name and value are required, other vars are optional

function set_cookie(name, value, expires, path, domain, secure) {
	document.cookie = name + "=" + escape(value) + 
		((expires) ? "; expires=" + expires : '') +
		((path) ? "; path=" + path : '') +
		((domain) ? "; domain=" + domain : '') +
		((secure) ? "; secure=" + secure : '');
}

function get_cookie_value(offset) {
	var endstr = document.cookie.indexOf(";", offset);
	if (endstr == -1) {
		endstr = document.cookie.length;
	}
	return unescape(document.cookie.substring(offset, endstr));
}

function get_cookie(name) {
	var arg = name + "=";
	var alen = arg.length;
	var clen = document.cookie.length;
	var i = 0;
	while (i < clen) {
		var j = i + alen;
		if (document.cookie.substring(i, j) == arg) {
			return get_cookie_value(j);
		}
		i = document.cookie.indexOf(" ", i) + 1;
		if (i == 0) break;
	}
	return "";
}


function enable_retailers_pages() {
	set_cookie('retailers_login', 'true');
	set_cookie('wholesale_customer', 'true', '', '/');
	return true;
}

function check_retailers_login() {
	if (get_cookie('retailers_login')) {
		return true;
	}
	else {
		return false;
	}
}