// Java Document

//-- clear replace text in the form input fields --//
function clearText(thefield) {
  if (thefield.defaultValue==thefield.value) { thefield.value = "" }
} 
function replaceText(thefield) {
  if (thefield.value=="") { thefield.value = thefield.defaultValue }
}


//-- BAC --//

function computeIt(form) { 
 
var lbs = form.weight.options[form.weight.selectedIndex].value; 
var numLbs = new Number(lbs); 
 
var drinks = form.drinks.options[form.drinks.selectedIndex].value; 
var numDrinks = new Number(drinks); 
 
var alco = numDrinks*.045; 
var alcohol = new Number(alco); 
 
var hours = form.time.options[form.time.selectedIndex].value; 
var numHours = new Number(hours); 
 
var metabol = numHours*.012; 
var metabolism = new Number(metabol); 


if (form.gender.options[form.gender.selectedIndex].value == "male") { 
        gendervalue = ".58"; 
        } else { 
                gendervalue = ".49"; 
                }
                 
       if (form.drinks.options[form.drinks.selectedIndex].value == "null")
      { 
       
       form.average.value = " ";
       alert("Please select number of drinks")
       
      }
	   
	  if (form.time.options[form.time.selectedIndex].value == "null")
      { 
       form.average.value = " ";
       alert("Please enter number of hours")
       
      } 
	   
	  if (form.gender.options[form.gender.selectedIndex].value == "null")
      { 
       
       form.average.value = " ";
       gendervalue = null;
       alert("Please enter gender")
       
      }
	  
	  if (form.weight.options[form.weight.selectedIndex].value == "null") 
      { 
       form.average.value = " ";
       alert("Please select a weight")
      
      }  
      
                
                
var numSex = new Number(gendervalue); 
 
 
var weight = numLbs/2.2046; 
var lbs = new Number(weight); 
 
var water = lbs*numSex; 
var bodywater = new Number(water); 
 
var millwater = bodywater*1000; 
var milliliters = new Number(millwater); 
 
var oz = 23.36/milliliters; 
var ounces = new Number(oz); 
 
var gram = ounces*.806; 
var grams = new Number(gram); 
 
var gramsmill = grams*100; 
var bac0 = new Number(gramsmill); 
 
var bac1 = bac0*alcohol; 
var bac2 = new Number(bac1); 
 
var bac3 = bac2-metabolism; 
if (bac3 < 0) { 
        var result = "0.000"; 
} 
var bac4 = bac3 + ""; 
var result = bac4.substring(0,5); 


//-- code for BAC results --//
if (result >= 0.08){
	 form.average.value = result; 
	 document.getElementById('average').style.color = 'red'
	}
	
	else { form.average.value = result;  
	 document.getElementById('average').style.color = 'black'
	}


if (result <= 0)

	{
		form.average.value = result;
		document.getElementById('average').value = "Negligible amount"
	}
	 

if (result == "NaN")
	{
		form.average.value = result;
		document.getElementById('average').style.color = 'white'
	}


if (result == "Infin")
	{
		form.average.value = result;
		document.getElementById('average').style.color = 'white'
	}



}

// calendar //

var mydate=new Date()
var year=mydate.getYear()
if (year < 1000)
year+=1900
var day=mydate.getDay()
var month=mydate.getMonth()
var daym=mydate.getDate()
//if (daym<10)
//daym="0"+daym
var dayarray=new Array("Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday")
var montharray=new Array("January","February","March","April","May","June","July","August","September","October","November","December")

// end calendar //

// Form validation //
function isEmailAddr(email) {
	var result = false;
	var theStr = new String(email);
	var index = theStr.indexOf("@");
	if (index > 0) {
		var pindex = theStr.indexOf(".",index);
		if ((pindex > index+1) && (theStr.length > pindex+1)) {
		result = true;
		}
	}
	return result;
}
function isAlpha(obj) {
	var result = false;
	var inThere = obj.match(/\D/);
	if (inThere) {
		result = true;
	}
	return result;
}
function isAlphaNum(obj) {
	var result = false;
	var inThere = obj.match(/\w/);
	if (inThere) {
		result = true;
	}
	return result;
}
function isNotAlphaNum(obj) {
	var result = false;
	var inThere = obj.match(/[^\w\s]/);
	if (inThere) {
		result = true;
	}
	return result;
}

function isNum(obj) {
	var result = false;
	var inThere = obj.match(/\d/);
	if (inThere) {
		result = true;
	}
	return result;
}

function hasWhiteSpace(obj) {
	var result = false;
	var inThere = obj.match(/\s/);
	if (inThere) {
		result = true;
	}
	return result;
}

function FormCheck(){


	// First Name
	if (document.case_evaluation.First_Name.value != "") {
		if (isNum(document.case_evaluation.First_Name.value)) {
			alert("Numbers are not allowed in the \"First Name\" field.");
			document.case_evaluation.First_Name.focus();
			return false;
		} else if (isNotAlphaNum(document.case_evaluation.First_Name.value)) {
			alert("Special characters are not allowed in the \"First Name\" field.");
			document.case_evaluation.First_Name.focus();
			return false;
		}
	} else {
		alert("The \"First Name\" field cannot be left blank.");
		document.case_evaluation.First_Name.focus();
		return false;
	}
	// Last Name
	if (document.case_evaluation.Last_Name.value != "") 
		{
		if (isNum(document.case_evaluation.Last_Name.value)) {
			alert("Numbers are not allowed in the \"Last Name\" field.");
			document.case_evaluation.Last_Name.focus();
			return false;
		} 
		else if (isNotAlphaNum(document.case_evaluation.Last_Name.value)) 
		{
			alert("Special characters are not allowed in the \"Last Name\" field.");
			document.case_evaluation.Last_Name.focus();
			return false;
		}
		} 
		else 
		{
		alert("The \"Last Name\" field cannot be left blank.");
		document.case_evaluation.Last_Name.focus();
		return false;
		}
	// Email Address
	if (document.case_evaluation.Email.value != "") {
		if (!isEmailAddr(document.case_evaluation.Email.value)) {
			alert("Please enter a complete Email address in the form: youremail@yourdomain.com");
			document.case_evaluation.Email.focus();
			return false;
		} else if (hasWhiteSpace(document.case_evaluation.Email.value)) {
			alert("Your Email address cannot contain blank spaces.");
			document.case_evaluation.Email.focus();
			return false;
		}
	} else {
		alert("The \"Email Address\" field cannot be left blank.");
		document.case_evaluation.Email.focus();
		return false;
	}
	
	// Cell Phone
	if (document.case_evaluation.Cell_Phone.value != "") {
		if (isAlpha(document.case_evaluation.Cell_Phone.value)) {
			alert("Only numbers are allowed in a Phone Number. Area code and the number, without spaces.  Example - 3335551212");
			document.case_evaluation.Cell_Phone.focus();
			return false;
		} else if (document.case_evaluation.Cell_Phone.value.length < 10) {
			alert("This \"Cell Phone Number\" field must have 10 characters. Area code and the number, without spaces.  Example - 3335551212");
			document.case_evaluation.Cell_Phone.focus();
			return false;
		}
	} else {
		alert("The \"Cell Phone Number\" field cannot be left blank.");
		document.case_evaluation.Cell_Phone.focus();
		return false;
	}

	// Home Phone
	if (document.case_evaluation.Home_Phone.value != "") {
		if (isAlpha(document.case_evaluation.Home_Phone.value)) {
			alert("Only numbers are allowed in a Phone Number. Example - 5555555555");
			document.case_evaluation.Home_Phone.focus();
			return false;
		} else if (document.case_evaluation.Home_Phone.value.length < 10) {
			alert("This \"Home Phone Number\" field must have 10 characters. Example - 5555555555");
			document.case_evaluation.Home_Phone.focus();
			return false;
		}
	} else {
		alert("The \"Home Phone Number\" field cannot be left blank.");
		document.case_evaluation.Home_Phone.focus();
		return false;
	}
	
	
	// Comments
	if (document.case_evaluation.Comments.value != "") {
			if (document.case_evaluation.Comments.value.indexOf("http") != -1)
		 	{
			alert("Please do not enter HTTP in Questions, Comments field");
			document.case_evaluation.Comments.focus();
			return false;
		} 
	} else {
		alert("The \"Description of Questions, Comments\" field cannot be left blank.");
		document.case_evaluation.Comments.focus();
		return false;
	}	
	
	
}

// End Form validation //