var DateChooser = {};

DateChooser.click = function(radio){
	this.currentRadio = radio;
	this.range = this.presets[radio.value]
	if (this.callback)
		this.callback(this.range);
	
}

DateChooser.init = function() {
	this.currentDate = new Date();
	this.TODAY = [this.currentDate,this.currentDate];
	var UTC = this.currentDate.getTime(); 
	var y = new Date(UTC - 86400000)
	this.presets = [];
	this.presets['TODAY'] = [this.currentDate,this.currentDate];
	this.presets['YESTERDAY'] = [y,y]; 
	this.presets['LAST_7_DAYS'] = [new Date(UTC - 6 * 86400000),this.currentDate]
	this.presets['LAST_30_DAYS'] = [new Date(UTC - 29 * 86400000),this.currentDate];
	this.presets['LAST_60_DAYS'] = [new Date(UTC - 59 * 86400000),this.currentDate];
	
	this.click(document.getElementById('dradio'));
	
}