var pcttot;



function validateFields(){

  var elements = document.forms[0].elements;
  
  var al_onegrade = false;

  for (var i = 0; i < elements.length; i++)  {
	  
	if (document.getElementById(elements[i].name+'_nochange'))
	{
		if (document.getElementById(elements[i].name+'_nochange').checked)
		{
			elements[i].className = '';
		}
	}

	if (/(^| )checkRequired( |$)/.test(elements[i].className) && elements[i].value == "" && !elements[i].disabled)    {

		elements[i].focus();

		alert("Please fill out this field.");

		return false;

	}
    
    if(elements[i].name == 'grade[]' && elements[i].checked) {
        al_onegrade = true;
    }

  } // for elements i
  
  if(!al_onegrade) {
    showError("Please check your grade range", $('error_grades'));
    location.hash = "#gradesanchor";
    return false;
  }


/*
	if (document.friendinit0.gradesserved.value == '') { // invalid range

		var anchorname = "#gradesservedanchor";

		var errormessage = "Please check your grade range";

		document.friendinit0.gradefrom.value = '';

		document.friendinit0.gradeto.value = '';

  		var errdisplay = document.getElementById('error_gradesserved');

		showError(errormessage, errdisplay);

		location.hash = anchorname;

		return false;

	} 
*/


  	var radiogroups = new Array(

	 "profile",
	 "knownetLSO"

  	);

  	var radioallselected = 0;

	var radiovalid = false;

	var myform = document.friendinit0;

  	for (var j = 0; j < radiogroups.length; j++)  {

		for (var k=0; k < myform.elements[radiogroups[j]].length; k++) { 

        	var errdisplay = document.getElementById('error_' + radiogroups[j]);

			if (myform.elements[radiogroups[j]][k].checked)    {

				radioallselected++;

				showError('',errdisplay);

		   	}// if true

		} // for radiobuttons k

			if (radioallselected == j) { // no buttons selected in j

				var anchorname = "#" + radiogroups[j] + "anchor";

				switch(radiogroups[j]) {

					case "profile" :

						var errormessage = "New profile or update?";

						showError(errormessage, errdisplay);

						location.hash = anchorname;

						break;

					case "knownetLSO" :

						var errormessage = "Please select";

						showError(errormessage, errdisplay);

						location.hash = anchorname;

						break;knownetLSO

					default:

						break;

				} //switch

				return false;

			} // no buttons selected in j

		radiovalid = (radioallselected == radiogroups.length ? true : false);

		if (radiovalid) { // reset error mesages

			

			break;

		} else continue ;

	} // for radiogroups j

	

	var pcttot = showpctTotal();

	var errdisplay = document.getElementById('error_pct');

	if (pcttot != 100) {
		
		if (document.getElementById('hundredpct_nochange') && !document.getElementById('hundredpct_nochange').checked)
		{

			//		alert("debugging: pcttot = " + pcttot);

			var anchorname = "#pctanchor";

			var errormessage = "Please estimate. The percentages should total 100.";

			showError(errormessage, errdisplay);

			location.hash = anchorname;

			return false;
		}

	} else {

		showError('',errdisplay);

	}

 return true;

} 



function validatefieldsMore(){

  var elements = document.forms[0].elements;

  for (var i = 0; i < elements.length; i++)  {

		if (document.getElementById(elements[i].name+'_nochange'))
		{
			if (document.getElementById(elements[i].name+'_nochange').checked)
			{
				elements[i].className = '';
			}
		}

    if (/(^| )checkRequired( |$)/.test(elements[i].className) && elements[i].value == "" && !elements[i].disabled)    {

      elements[i].focus();

      alert("Please fill out this field.");

      return false;

    }

  } // for elements i



  	var radiogroups = new Array(
    
	 "districtwide",

	 "tool",

	 "tree",

	 "scholasticp",

	 "stopthink",

	 "pearson",

	 "bcp",

	 "questar",

	 "scholastic",

     "project",
     
     "fivedayprogram",
     
     "fullhalfpre",

     "twelvemonthpre",

	 "gradingperiod",

	 "kprogramday",

	 "multiage",

	 "prek"

  	);

  	var radioallselected = 0;

	var radiovalid = false;

	var myform = document.friendmore_2;

  	for (var j = 0; j < radiogroups.length; j++)  {
  		
  		// if element doesnt exists
  		if (!myform.elements[radiogroups[j]])
  			continue;
  		
  		// if element is prek (section 8) and checkbox 'no changes from last year' is checked
  		if (radiogroups[j] == 'prek' || radiogroups[j] == 'multiage' || radiogroups[j] == 'kprogramday' || radiogroups[j] == 'gradingperiod')
  			if (document.getElementById('schoolhave_nochange').checked)
  				continue;

		for (var k=0; k < myform.elements[radiogroups[j]].length; k++) { 

        	var errdisplay = document.getElementById('error_' + radiogroups[j]);

			if (myform.elements[radiogroups[j]][k].checked)    {

				radioallselected++;

				showError('',errdisplay);

		   	}// if true

		} // for radiobuttons k

			if (radioallselected == j) { // no buttons selected in j

				var anchorname = "#" + radiogroups[j] + "anchor";

				var errormessage = "Please select";

				showError(errormessage, errdisplay);

				location.hash = anchorname;

				return false;

			} // no buttons selected in j

		radiovalid = (radioallselected == radiogroups.length ? true : false);

		if (radiovalid) { // reset error mesages

			

			break;

		} else continue ;

	} // for radiogroups j



	var seqpcontselected = false;

	if (myform.elements["seqpcontent" + m]) {

		for (var m=0; m < 13; m++) {

			var errdisplay = document.getElementById('error_seqpcontent');

			if (myform.elements["seqpcontent" + m].checked == true) {

				seqpcontselected = true;

				showError('',errdisplay);

				break;  

			} // at least one sequence content area checked

		} // m loop complete
	
		if (seqpcontselected == false) {

			var anchorname = "#seqpcontentanchor";

			var errormessage = "Please select at least one content area. ";

			showError(errormessage, errdisplay);

			location.hash = anchorname;

			return false;			

		} // no sequence content areas checked
	}
	
	var seqcontselected = false;

	for (var m=0; m < 6; m++) {

		var errdisplay = document.getElementById('error_seqcontent');

		if (myform.elements["seqcontent" + m].checked == true) {

			seqcontselected = true;

			showError('',errdisplay);

			break;  

		} // at least one sequence content area checked

	} // m loop complete

	if (seqcontselected == false) {

		var anchorname = "#seqcontentanchor";

		var errormessage = "Please select at least one content area. ";

		showError(errormessage, errdisplay);

		location.hash = anchorname;

		return false;			

	} // no sequence content areas checked

	var tottea = false;

	for (var n=0; n < 4; n++) {

		var errdisplay = document.getElementById('error_tottea');

		var errclassdisplay = document.getElementById('error_totckclass');

		if ((myform.elements["tottea" + n].value > 0) && (myform.elements["totckclass" + n].value > 0) ) {

			tottea = true;

			showError('',errdisplay);

			showError('',errclassdisplay);

			break;  

		} // at least some teachers are counted

	} // n loop complete

	if (tottea == false) {

		var anchorname = "#totteaanchor";

		if (myform.elements["totckclass0"].value + myform.elements["totckclass1"].value + myform.elements["totckclass2"].value + myform.elements["totckclass3"].value == 0  ) {

			var errormessage = " Please provide at least an estimate of the number of classes using the Core Knowledge Sequence.";

			showError('',errdisplay);

			showError(errormessage, errclassdisplay);

			location.hash = anchorname; // no class totals

		} else  {

		var errormessage = "Please provide at least an estimate of your total teachers";

		showError('',errclassdisplay);

		showError(errormessage, errdisplay);

		location.hash = anchorname;

		}

		return false;	



	} // no teacher totals



 return true;

} 



function floatPoint(num) {

return num.toFixed(0);

}



function isPositiveInteger(gField) {

   var inputStr = gField.value;

   if (inputStr.length == 0)

      return true;

   for (var i = 0; i < inputStr.length; i++) {

      var oneChar = inputStr.charAt(i);

      if (oneChar < "0" || oneChar > "9") {

         alert("The selected field must be a positive, whole number (no letters or punctuation are allowed).");

         gField.focus();

         gField.select();

         return false;

      }

   }

   return true;

}



function showpctTotal()
{
	var pcttot = 0;

	var myform = document.friendinit0;

	for (i=0; i < 6; i++) {

		pcttot = pcttot + Number(myform.elements["pct" + i].value);

	}

	var showtot = document.createTextNode(pcttot);

	var hundredpct = document.getElementById('hundredpct');

	while(hundredpct.lastChild){ // remove any childs from hundredpct

		hundredpct.removeChild(hundredpct.firstChild);

	}

	hundredpct.appendChild(showtot);

	if (pcttot == 100)
	{
		if (document.getElementById('hundredpct_nochange') && !document.getElementById('hundredpct_nochange').checked)
		{
			var errdisplay = document.getElementById('error_pct');

			showError('',errdisplay);
		}
	}

	return pcttot;

}



function rangeGrades(){

	if ((document.forms[0].gradefrom) || (document.forms[0].gradeto)){

		var gradefrom = document.forms[0].gradefrom.value;

		var gradeto = document.forms[0].gradeto.value;

		var gradefromindex = document.forms[0].gradefrom.selectedIndex;

		var gradetoindex = document.forms[0].gradeto.selectedIndex;

		if (((gradefrom != '') && (gradeto != '')) && (gradetoindex >= gradefromindex)){

			var rangeshow = gradefrom + '-' + gradeto;

			document.forms[0].gradesserved.value = rangeshow;

		} else {

			document.forms[0].gradesserved.value = '';

		}

	}

}



function showTotalTeachers(){

	var eltot = 0, mstot = 0, amtot = 0, sptot = 0;

	var myform = document.friendmore_2;

	var teacherfields = new Array(17);

	for(var i = 0; i < teacherfields.length; i++) {

		teacherfields[i] = Number(myform.elements[("teachers" + i)].value); 

	}

	for (i=0; i < 8; i++) { // K-5 teachers

		eltot = eltot + teacherfields[i];

		if (eltot > 0 ) {

			myform.tottea0.value = eltot;

		} else {

			myform.tottea0.value = '';

		}

	}

	for (i=8; i < 12; i++) { // 6-8 teachers

		mstot = mstot + teacherfields[i];

		if (mstot > 0) {

			myform.tottea1.value = mstot;

		} else {

			myform.tottea1.value = '';

		}

	}

	for (i=12; i < 14; i++) { // art and music teachers

		amtot = amtot + teacherfields[i];

		if (amtot > 0) {

			myform.tottea2.value = amtot;

		} else {

			myform.tottea2.value = '';

		}

	}

	for (i=14; i < 17; i++) { // other spec ed teachers

		sptot = sptot + teacherfields[i];

		if (sptot > 0) {

			myform.tottea3.value = sptot;

		} else {

			myform.tottea3.value = '';

		}

	}

}



function showTotalClasses(){

	var elctot = 0, msctot = 0, amctot = 0, spctot = 0;

	var myform = document.friendmore_2;

	var classfields = new Array(17);

	for(var i = 0; i < classfields.length; i++) {

		classfields[i] = Number(myform.elements[("classes" + i)].value); 

	}

	for (i=0; i < 8; i++) { // K-5 

		elctot = elctot + classfields[i];

		if (elctot > 0) {

			myform.totckclass0.value = elctot;

		} else {

			myform.totckclass0.value = '';

		}

	}

	for (i=8; i < 12; i++) { // 6-8 

		msctot = msctot + classfields[i];

		if (msctot > 0) {

			myform.totckclass1.value = msctot;

		} else {

			myform.totckclass1.value = '';

		}

	}

	for (i=12; i < 14; i++) { // art and music 

		amctot = amctot + classfields[i];

		if (amctot > 0) {

			myform.totckclass2.value = amctot;

		} else {

			myform.totckclass2.value = '';

		}

	}

	for (i=14; i < 17; i++) { // other spec ed 

		spctot = spctot + classfields[i];

		if (spctot > 0) {

			myform.totckclass3.value = spctot;

		} else {

			myform.totckclass3.value = '';

		}

	}

}



function showError(message, errdisp) {

	var showerror = document.createTextNode(message);

	while(errdisp.lastChild) { // remove any childs from errdisplay

		errdisp.removeChild(errdisp.firstChild);

	}					

	errdisp.appendChild(showerror);

}



function stateUSA() {

	var country = document.getElementById('country').value;

	if ((!country.match(/^US/)) && (country != null)) {

		stateReq(country);

	}

}

function stateReq(val) {

 	if (!val.match(/^US/)) {

    	var state = document.getElementById('state');

   		state.className = '';

 		var statelabel = document.getElementById('statelabel');

  		var span = statelabel.getElementsByTagName('span');

 		if(span[0]) {

			statelabel.removeChild(span[0]);

			statelabel.className = 'padright';

			state.value = '';

			state.disabled = true;

 		}

//   		alert("Not USA: className = " + state.className);

   	} else {

    	var state = document.getElementById('state');

    	state.className = 'checkRequired';

		var statelabel = document.getElementById('statelabel');

  		var span = statelabel.getElementsByTagName('span');

 		if(!span[0]) {

			var newspan = document.createElement('span');

			newspan.className = 'redstar';

			var star = document.createTextNode('*');

			newspan.appendChild(star);

			statelabel.appendChild(newspan);

			statelabel.className = '';

			state.disabled = false;

 		}



//   		alert("USA: className = " + state.className);

   	}



}



function retrieveComputedStyle(element, styleProperty) {

	var computedStyle = null;

	if (typeof element.currentStyle != "undefined") {

		computedStyle = element.currentStyle;

	} else {

		computedStyle = document.defaultView.getComputedStyle(element, null);

	}

	return computedStyle(styleProperty);

}