function check_input(input, memory) {

    if (input == "date_of_event") {
		el = document.getElementById('approxDates');
		el_input = document.getElementById('popup_container');
	} else {
		el = document.getElementById('approxTimes');
		el_input = document.getElementById('time');				
	}
			

	memory_el = document.getElementById(memory);
	

	
	if (el.style.display == 'block') {
		memory_el.value = el_input.value;
	    el_input.value    = "";		
		el_input.style.backgroundColor = '#CCCCCC';
		el_input.style.border = 'solid #7F9DB9 1px';
		el_input.disabled = true;
	} else {
		el_input.disabled = false;
		el_input.style.border = 'solid #7F9DB9 1px';
        el_input.style.backgroundColor = '#FFFFFF';
		el_input.value    =  memory_el.value;
		
	}
}