function viewiPhoneVersion() {
	var ex = new Date();
	ex.setDate(ex.getDate() - 1);
	document.cookie = '_force_pc=1;path=/;expires=' + ex.toGMTString();
	var ex = new Date();
	ex.setDate(ex.getDate() + 365 * 5);
	document.cookie = '_force_iphone=1;path=/;expires=' + ex.toGMTString();
	location.reload();
}

function viewPcVersion() {
	var ex = new Date();
	ex.setDate(ex.getDate() + 365 * 5);
	document.cookie = '_force_pc=1;path=/;expires=' + ex.toGMTString();
	var ex = new Date();
	ex.setDate(ex.getDate() - 1);
	document.cookie = '_force_iphone=1;path=/;expires=' + ex.toGMTString();
	location.reload();
}