function getCookie(c_name){
if (document.cookie.length>0) {
c_start=document.cookie.indexOf(c_name + "=");
if (c_start!=-1){ c_start=c_start + c_name.length+1;c_end=document.cookie.indexOf(";",c_start);
if (c_end==-1) c_end=document.cookie.length;
return unescape(document.cookie.substring(c_start,c_end));
}} return "";}
function setCookie(c_name, c_value, c_expire){var exdate = new Date();exdate.setDate(exdate.getDate()+c_expire);document.cookie = c_name+"="+c_value+";expires="+exdate.toGMTString();}
function showLoading(){
	$("#loading").css('top', $(window).height() / 2 + $(window).scrollTop() - 20);
	$("#loading").show();	
}
function hideLoading(){
	$("#loading").hide();	
}