function doVars () {
a = 1* ($("#v1").val())
b = 1* ($("#v2").val())
c = 1* ($("#v3").val())
d = 1* ($("#v4").val())
e = 1* ($("#v5").val())
}

function Done(id,value) {
$(id).val(value);
}

function DoneMsg(value) {
$('#resultmsg').html(value);
} 

function Round(id,value,digits) {
d=Math.pow(10,digits);
$(id).val(Math.round(value*d)/d);
}

function getCheckedValue(radioObj) {
	if(!radioObj)
		return "";
	var radioLength = radioObj.length;
	if(radioLength == undefined)
		if(radioObj.checked)
			return radioObj.value;
		else
			return "";
	for(var i = 0; i < radioLength; i++) {
		if(radioObj[i].checked) {
			return radioObj[i].value;
		}
	}
	return "";
}

function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}

function SwitchUnits() {

unit = getCheckedValue($("input[name='units']"));
if (unit == 'us') {

unitdefault = 'us';
$.cookie('country' , 'us' , {expires:365, path: '/', domain: 'mdcalc.com'});

for (a in units)
{
src = document.getElementById(a);

if (units[a] == 'ca') {src.innerHTML = 'mg/dL'; }
if (units[a] == 'alb') {src.innerHTML = 'g/dL';}
if (units[a] == 'chol') {src.innerHTML = 'mg/dL';}
if (units[a] == 'trig') {src.innerHTML = 'mg/dL';}
if (units[a] == 'glu') {src.innerHTML = 'mg/dL';}
if (units[a] == 'hct') {src.innerHTML = '%';}
if (units[a] == 'hgb') {src.innerHTML = 'g/dL';}
if (units[a] == 'na') {src.innerHTML = 'mEq/L';}
if (units[a] == 'k') {src.innerHTML = 'mEq/L';}
if (units[a] == 'cl') {src.innerHTML = 'mEq/L';}
if (units[a] == 'hco3') {src.innerHTML = 'mEq/L';}
if (units[a] == 'bun') {src.innerHTML = 'mg/dL';}
if (units[a] == 'cr') {src.innerHTML = 'mg/dL';}
if (units[a] == 'wt') {src.innerHTML = 'lbs';}
if (units[a] == 'ht') {src.innerHTML = 'inches';}
if (units[a] == 'crclearance') {src.innerHTML = 'mL/min';}
if (units[a] == 'bili') {src.innerHTML = 'mg/dL';}
if (units[a] == 'na-deficit') {src.innerHTML = 'mEq';}
if (units[a] == 'osm') {src.innerHTML = 'mOsm/kg';}
if (units[a] == 'pa02') {src.innerHTML = 'mm Hg';}
if (units[a] == 'pao2') {src.innerHTML = 'mm Hg';}
if (units[a] == 'tidal') {src.innerHTML = 'mL/kg';}
if (units[a] == 'pheny') {src.innerHTML = 'mg/L';}
}
}

if (unit == 'si') {

unitdefault = 'si';
$.cookie('country' , 'si' , {expires:365, path: '/', domain: 'mdcalc.com'});

for (a in units)
{

src = document.getElementById(a);
if (units[a] == 'ca') {src.innerHTML = 'mmol/L'; }
if (units[a] == 'alb') {src.innerHTML = 'g/L'; }
if (units[a] == 'chol') {src.innerHTML = 'mmol/L';}
if (units[a] == 'trig') {src.innerHTML = 'mmol/L';}
if (units[a] == 'glu') {src.innerHTML = 'mmol/L';}
if (units[a] == 'hct') {src.innerHTML = 'fraction of RBCs';}
if (units[a] == 'hgb') {src.innerHTML = 'g/L';}
if (units[a] == 'na') {src.innerHTML = 'mmol/L';}
if (units[a] == 'k') {src.innerHTML = 'mmol/L';}
if (units[a] == 'cl') {src.innerHTML = 'mmol/L';}
if (units[a] == 'hco3') {src.innerHTML = 'mmol/L';}
if (units[a] == 'bun') {src.innerHTML = 'mmol/L';}
if (units[a] == 'cr') {src.innerHTML = '&mu;mol/L';}
if (units[a] == 'wt') {src.innerHTML = 'kg';}
if (units[a] == 'ht') {src.innerHTML = 'cm';}
if (units[a] == 'crclearance') {src.innerHTML = 'mL/min';}
if (units[a] == 'bili') {src.innerHTML = '&mu;mol/L';}
if (units[a] == 'na-deficit') {src.innerHTML = 'mmol/L';}
if (units[a] == 'osm') {src.innerHTML = 'mmoI/kg';}
if (units[a] == 'pao2') {src.innerHTML = 'kPa';}
if (units[a] == 'pa02') {src.innerHTML = 'kPa';}
if (units[a] == 'tidal') {src.innerHTML = 'mL/kg';}
if (units[a] == 'pheny') {src.innerHTML = '&mu;mol/L';}
}
}
$('form input[type=text]').focus();

}