function showDiv(prevdiv, nextdiv){
		if (prevdiv != "")
			document.getElementById(prevdiv).style.display = "none";
		
		if (nextdiv != "")
			document.getElementById(nextdiv).style.display = "";
	}

function show_immigration_date(){
	immigration_country = document.getElementById('immigration_country');
	immigration_country = immigration_country.options[immigration_country.selectedIndex].value;

		if(immigration_country == "israel")
		document.getElementById('immigration_date').style.display = "none";
		else 
		document.getElementById('immigration_date').style.display = "";
	}

function ajax(action,target,args,form2use)
{

  if (window.ActiveXObject)
  {
    var http = new ActiveXObject("Microsoft.XMLHTTP");
    var fixPng = "yes";
  }
  else if (XMLHttpRequest)
  {
    var http = new XMLHttpRequest(); //others
    var fixPng = "no";
  }

  if (form2use)
  {
    var input,select,textarea;
    var inputs = form2use.getElementsByTagName("input");
    for (var i=0; input=inputs[i]; i++){args+="&"+input.name+"="+input.value+"";}
    var selects = form2use.getElementsByTagName("select");
    for (var i=0; select=selects[i]; i++){args+="&"+select.name+"="+select.value+"";}
    var textareas = form2use.getElementsByTagName("textarea");
    for (var i=0; textarea=textareas[i]; i++){args+="&"+textarea.name+"="+textarea.value+"";}
  }

  http.open("post",action);
  http.setRequestHeader("Content-Type","application/x-www-form-urlencoded");

  if(args){http.send(args);}else{http.send("ab=ba");}
  document.getElementsByTagName("body")[0].style.cursor="";

  http.onreadystatechange = function()
  {
    if (http.readyState == 4)
    {
      if (! http.responseText.search(/\[error\]/gi) || target == alert)
      {
        alert (http.responseText.replace(/\[error\]/gi,""));
      }
      else
      {
        if (fixPng == "no"){text = http.responseText;}else{text = http.responseText.replace(/<img src="(.*?).png" alt="(.*?)" \/>/gi,"<span style=display:inline-block;filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='$1.png',sizingMethod='scale')><img src=\"$1.png\" alt=\"$2\" style=\"visibility:hidden\" /></span>");}
        document.getElementById(target).innerHTML = text;
      }
      document.getElementsByTagName("body")[0].style.cursor="";
    }
  }
}

function ChangeOp() {	
	x = document.Reg.center.options[document.Reg.center.selectedIndex].value

	if (x > -1 ) {
		ajax('ajax.php?id=' + x,'schools');
	}

}

function ChangeOppp() {
	x = document.Reg.center.options[document.Reg.center.selectedIndex].value

	if (x > -1 ) {
		document.getElementById('students').innerHTML = "<center><img src='progress.gif' /> <strong>אנא המתן בעת טעינת רשימת החניכים</strong></center>"
		ajax('pages/students-ajax.php?id=' + x,'students');
	} else {
		alert("אנא בחר עיר לשם טעינת החניכים")
	}

}

function ChangeOpCenterGrades() {

	x = document.Reg.center.options[document.Reg.center.selectedIndex].value

	if (x > -1 ) {
		document.getElementById('grades').innerHTML = "<center><img src='progress.gif' /> <strong>אנא המתן בעת טעינת רשימת החניכים</strong></center>"
		ajax('pages/grades-ajax.php?id=' + x,'grades');
	} else {
		alert("אנא בחר עיר לשם טעינת החניכים")
	}
}

function ChangeOpCenterPics() {
	x = document.Reg.center.options[document.Reg.center.selectedIndex].value

	if (x > -1 ) {
		document.getElementById('pics').innerHTML = "<center><img src='progress.gif' /> <strong>אנא המתן בעת טעינת רשימת התמונות של החניכים</strong></center>"
		ajax('pages/pics-ajax.php?id=' + x,'pics');
	} else {
		alert("אנא בחר עיר לשם טעינת תמונות החניכים")
	}  
}
function ChangeOpCenterPicsOnLoad(cid) {
	document.getElementById('pics').innerHTML = "<center><img src='progress.gif' /> <strong>אנא המתן בעת טעינת רשימת התמונות של החניכים</strong></center>"
	ajax('pages/pics-ajax.php?id=' + cid,'pics');
}

function chooseGradeBySchool(id) {
	document.getElementById('grades').innerHTML = "<center><img src='progress.gif' /> <strong>אנא המתן בעת טעינת רשימת החניכים</strong></center>"
	ajax('pages/grades-ajax.php?id=' + x + '&ob=1','grades');
}

function showStudents(id) {
	x = id

	if (x > -1 ) {
		document.getElementById('students').innerHTML = "<center><img src='progress.gif' /> <strong>אנא המתן בעת טעינת רשימת החניכים</strong></center>"
		ajax('pages/students-ajax.php?id=' + x,'students');
	}

}
function showProfile(outter, id,sid) {

	document.getElementById(outter).innerHTML = "<center><img src='progress.gif' /> <strong>אנא המתן בעת טעינת פרופיל החניך</strong></center>"
	ajax('pages/profile.php?id=' + id + '&sid=' + sid + '&outter=' + outter, outter );
}

function showEvaTeacher(id, sid) {
	document.getElementById('grades').innerHTML = "<center><img src='progress.gif' /> <strong>אנא המתן בעת טעינת פרופיל החניך</strong></center>"
	ajax('pages/eva_teacher.php?id=' + id + '&sid=' + sid , 'grades' );  
}

function showGrades(id) {
	x = id
	if (x > -1 ) {
		document.getElementById('grades').innerHTML = "<center><img src='progress.gif' /> <strong>אנא המתן בעת טעינת רשימת הציונים</strong></center>"
		ajax('pages/grades-ajax.php?id=' + x ,'grades');
	}

}
function showThumb(id) {
	document.getElementById('Thumb' + id).innerHTML = "<center><img src='progress.gif' /> <strong>Loading...</strong></center>"
	document.getElementById('Thumb' + id).innerHTML = "<a href='uploaded/" + id + ".jpg' target='_blank'><img src='pages/thumbnail.php?file=" + id + "' style='border: 0px;' /></a>";
}

function updatePic(id) {
 // document.getElementById('sid').value = id;

  document.getElementById('pics'+ id).submit();
}

function updateGrade(id) {
	var Interview
	var Evaluation
	var English
	var Social
	var Immigration
	var GradesStatus

	Interview = document.getElementById('Interview' + id).value
	English = document.getElementById('English' + id).value
	Evaluation = document.getElementById('Evaluation' + id).value
	Social = document.getElementById('Social' + id).checked
	Immigration = document.getElementById('Immigration' + id).checked
  GradesStatus = document.getElementById('GradesStatus' + id)
	GradesStatus = GradesStatus.options[GradesStatus.selectedIndex].value;


	document.getElementById('EnglishI' + id).innerHTML = "<center><img src='progress.gif' /></center>"
	ajax('pages/gUpdate.php?id=' + id + '&E=' + English,'EnglishI' + id);

	document.getElementById('EvaluationI' + id).innerHTML = "<center><img src='progress.gif' /></center>"
	ajax('pages/gUpdate.php?id=' + id + '&I=' + Interview,'InterviewI' + id);

	document.getElementById('InterviewI' + id).innerHTML = "<center><img src='progress.gif' /></center>"
	ajax('pages/gUpdate.php?id=' + id + '&Ev=' + Evaluation,'EvaluationI' + id);
  
  document.getElementById('ImmigrationI' + id).innerHTML = "<center><img src='progress.gif' /></center>"
	ajax('pages/gUpdate.php?id=' + id + '&Imm=' + Immigration,'ImmigrationI' +  id);	
	
	document.getElementById('SocialI' + id).innerHTML = "<center><img src='progress.gif' /></center>"
	ajax('pages/gUpdate.php?id=' + id + '&S=' + Social,'SocialI' + id);

	document.getElementById('GradesStatusI' + id).innerHTML = "<center><img src='progress.gif' /></center>"
	ajax('pages/gUpdate.php?id=' + id + '&GS=' + GradesStatus, 'GradesStatusI' + id);	
	
	
	document.getElementById('TotalI' + id).innerHTML = "<center><img src='progress.gif' /></center>"
	ajax('pages/gUpdate.php?id=' + id + '&E=' + English + '&I=' + Interview + '&Ev=' + Evaluation + '&Imm=' + Immigration + '&S=' + Social + '&T=1','TotalI' + id);

}

function ChangeOpp() {
	x = document.Reg.center.options[document.Reg.center.selectedIndex].value

	if (x != -1) {
		ajax('ajax.php?id=' + x,'center_inst');
	}
}

function ChangeOpSchool() {

	x = document.Reg.schools.options[document.Reg.schools.selectedIndex].value;
	
	if (x == -1) {
		document.getElementById('oschool').style.display = '';
	} else {
		document.getElementById('oschool').style.display = 'none';
	}
	
}