/*
js		:	hhform v1.0
			:	Form functions (see below for complete description
date	:	5/20/2004
				Copyright 2004 hh Software & Web Services. All rights reserved.
				You may use this script in your Web pages, provided these opening credit
				lines are kept intact.
*/
// formContinue: check value for checked object
// thisForm: form object must have an checked object named "cbAgree"
function formContinue(thisForm){
	if (thisForm.cbAgree == null || thisForm.cbAgree.checked == false ){
		alert('Please check the box to continue.');
		return false;
	}	else{
		return true;
	}
}
// formDisplayAlert: display object value in alert box
// thisObj
function formDisplayAlert(thisOjb){
	alert(thisOjb);
}
// formDisplayElements: display the form element(s) property and value
// thisForm: form object
function formDisplayElements(thisForm){
	var alertText = "";
	
  for(i=0; i<thisForm.elements.length; i++){
		alertText += "[" + thisForm.elements[i].name + "] {" + thisForm.elements[i].type + "} ";
		if(thisForm.elements[i].type == "text" || thisForm.elements[i].type == "textarea" || thisForm.elements[i].type == "button"){
			alertText += "Value: " + thisForm.elements[i].value + "\n";
		} else if(thisForm.elements[i].type == "checkbox"){
			alertText += "Checked? " + thisForm.elements[i].checked + "\n";
		}	else if(thisForm.elements[i].type == "select-one"){
			alertText += "SO Text: " + thisForm.elements[i].options[thisForm.elements[i].selectedIndex].text + "\n";
		}	else{
			alertText += "\n";	
		}
	}   
	alert(alertText)
}
// formResultsSA: display results from sleep apnea test
// thisForm: form object
function formResultsSA(thisForm){
	var alertText = "SPLEEP APNEA TEST RESULT\n\n";
	var iResults = 0;
	
  for(i=0; i<thisForm.elements.length; i++){
		if(thisForm.elements[i].type == "checkbox" && thisForm.elements[i].checked == true){
			iResults += 1;
		}
	}
	if(iResults >= 3){
		alertText += "YOU SHOW SYMPTOMS OF SLEEP APNEA, which frequently causes you to stop breathing in your sleep.  ";
		alertText += "Please review your results with your doctor to discuss your symptoms.";
	}	else{
		alertText += "You do not show symptoms of SLEEP APNEA.";
	}
	alertText = formResultsDisclaimer(alertText);
	formDisplayAlert(alertText);
	thisForm.reset();
} 
// formResultsSS: display results from snore score test
// thisForm: form object
function formResultsSS(thisForm){
	var alertText = "SNORE-SCORE TEST RESULT";
	var iResults = new Array (0,0,0);
	var fNoresult = false;
	
  for(i=0; i<thisForm.elements.length; i++){
		if(thisForm.elements[i].type == "checkbox" && thisForm.elements[i].checked == true){
			if (i == 0){
				iResults[0] += 1;
			} else if(i == 1){
				iResults[0] += 1;
			} else if(i == 2){
				iResults[0] += 1;
			} else if(i == 3){
				iResults[0] += 1;
				iResults[2] += 1;
			} else if(i == 4){
				iResults[1] += 1;
			} else if(i == 5){
				iResults[2] += 1;
			} else if(i == 6){
				iResults[2] += 1;
			} else if(i == 7){
				iResults[2] += 1;
			} else if(i == 8){
//				iResults[2] += 1;
			} else if(i == 9){
				iResults[2] += 1;
			}
		}
	}
	if(iResults[0] >= 4){
		alertText += "\n\nYour snoring probably interferes with your personal life.";
		fNoresult = true;
	}
	if(iResults[1] >= 1){
		alertText += "\n\nYou may be a positional snorer -- one who snores in certain positions.";
		fNoresult = true;
	}
	if(iResults[2] >= 5){
		alertText += "\n\nThere is a good chance you have SLEEP APNEA.";
		fNoresult = true;
	}
	if(fNoresult == false){
		alertText += "\n\nSnoring is probably NOT a health concern to you.";
	} else{
		alertText += "\n\nPlease review your results with your doctor to discuss your symptoms.";
	}
	alertText = formResultsDisclaimer(alertText);
	formDisplayAlert(alertText);
	thisForm.reset();
} 
// formResultsESS: display results from Epworth Sleepiness Scale test
// thisForm: form object
function formResultsESS(thisForm){
	var alertText = "EPWORTH SLEEPINESS SCALE TEST RESULT\n\n";
	var iResults = 0;
	
  for(i=0; i<thisForm.elements.length; i++){
		if(thisForm.elements[i].type == "select-one"){
			iResults += thisForm.elements[i].selectedIndex;
		}
	}
	alertText += "Your Epworth Sleepiness Score is " + iResults + "\n\n"
	if(iResults >= 10){
		alertText += "Your score suggest that you may need further evaluation by a physician to determine the cause of your excessive daytime sleepiness and whether you have underlying sleep disorder(s).\n\n";
		alertText += "Please review your Epworth Sleepiness Score with your doctor and discuss your symptoms for medical advice about diagnosis and treatment of Excessive Daytime Sleepiness.";
	}	else{
		alertText += "Your score suggests that you are not suffering from Excessive Daytime Sleepiness.";
	}
	alertText = formResultsDisclaimer(alertText);
	formDisplayAlert(alertText);
	thisForm.reset();
} 
// formResultsDisclaimer: add disclaimer to message
// alertText: message
function formResultsDisclaimer(alertText){
	alertText += "\n\nDISCLAIMER: This test is for informational purposes only, and not intended ";
	alertText += "to be a substitute for professional medical advice, diagnosis ";
	alertText += "or treatment. Should you have any health care related questions, ";
	alertText += "call or see your physician promptly.";
	alertText += "\n\nCopyright @ 2004 International Sleep Labs of America";
	return(alertText);
}