function toggleCaseType(em){
	var groups = Array('request','question','problem');

	for(var i=0;i<groups.length;i++){
		document.getElementById(groups[i] + '_group').style.display = 'none';
	}

	if (document.getElementById(em.value + '_group'))
		document.getElementById(em.value + '_group').style.display = 'block';

}

function toggleRequestType(em){

	var groups = Array('rnew','rdelete','requipment','rother');

	for(var i=0;i<groups.length;i++){
		document.getElementById(groups[i] + '_subgroup').style.display = 'none';
	}

	if (document.getElementById(em.value + '_subgroup'))
		document.getElementById(em.value + '_subgroup').style.display = 'block';

}

function toggleComputerRow(em,event){

	if ( (event == 'show' && em.checked) || (event == 'hide' && !em.checked) ){
		document.getElementById('computer_row').style.display = 'block';
	} else {
		document.getElementById('computer_row').style.display = 'none';
	}

}