function filter_toggle(c_name){
	Effect.toggle('filter','blind');
	
	update_cookie(c_name);
}
function update_cookie(c_name){
	current_val = get_cookie(c_name);
	erase_cookie = set_cookie(c_name,0,-1);
	new_cookie = set_cookie(c_name,current_val + 1,365);
}
function get_cookie(c_name){
	var results = document.cookie.match ( '(^|;) ?' + c_name + '=([^;]*)(;|$)' );
	if (results)
   		return parseInt(unescape(results[2]));
	else
   		return 0;
}
function set_cookie(c_name,c_value,n_days){
	var today = new Date();
	var expire = new Date();
	if (n_days == null || n_days == 0) n_days = 1;
	expire.setTime(today.getTime() + 3600000 * 24 * n_days);
	document.cookie = c_name + "=" + escape(c_value)
	+ ";expires=" + expire.toGMTString();
}
function submit_request(){
	document.price_request.submit();
}
function externalLinks() {
	if (!document.getElementsByTagName) return;
	var anchors = document.getElementsByTagName("a");
	for (var i=0; i<anchors.length; i++) {
		var anchor = anchors[i];
		if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "external") 
		anchor.target = "_blank";
	}
}
window.onload = externalLinks;