// Tab functions

function loadGoogleMap() {
	var source = document.getElementById('googleMap').src;
	if(source != '/public/_includes/map.php') {
		document.getElementById('googleMap').src='/public/_includes/map.php';
	}
}
function toggleProgramme() {
	var d = document; {
		document.getElementById('tabContentProgramme').style.display = "block";
		document.getElementById('tabContentInstitution').style.display = "none";
		document.getElementById('tabContentAdvanced').style.display = "none";
		document.getElementById('tabContentGeo').style.display = "none";
		document.getElementById('tabContentAdapted').style.display = "none";
		document.getElementById('searchProgramme').className = 'hi';
		document.getElementById('searchInstitution').className = '';		
		document.getElementById('searchAdvanced').className = '';
		document.getElementById('searchGeo').className = '';
		document.getElementById('searchAdapted').className = '';
		$('search_programme_term_error').hide();
		$('search_institution_term_error').hide();
	} 
}
function toggleInstitution() {
	var d = document; {
		document.getElementById('tabContentProgramme').style.display = "none";
		document.getElementById('tabContentInstitution').style.display = "block";
		document.getElementById('tabContentAdvanced').style.display = "none";
		document.getElementById('tabContentGeo').style.display = "none";
		document.getElementById('tabContentAdapted').style.display = "none";
		document.getElementById('searchProgramme').className = '';
		document.getElementById('searchInstitution').className = 'hi';		
		document.getElementById('searchAdvanced').className = '';
		document.getElementById('searchGeo').className = '';
		document.getElementById('searchAdapted').className = '';
		$('search_institution_term_error').hide();
		$('search_programme_term_error').hide();
	} 
}
function toggleAdvanced() {
	var d = document; {
		document.getElementById('tabContentProgramme').style.display = "none";
		document.getElementById('tabContentInstitution').style.display = "none";
		document.getElementById('tabContentAdvanced').style.display = "block";
		document.getElementById('tabContentGeo').style.display = "none";
		document.getElementById('tabContentAdapted').style.display = "none";
		document.getElementById('searchProgramme').className = '';
		document.getElementById('searchInstitution').className = '';		
		document.getElementById('searchAdvanced').className = 'hi';
		document.getElementById('searchGeo').className = '';
		document.getElementById('searchAdapted').className = '';
	} 
}

function toggleGeo() {
	var d = document; {
		document.getElementById('tabContentProgramme').style.display = "none";
		document.getElementById('tabContentInstitution').style.display = "none";
		document.getElementById('tabContentAdvanced').style.display = "none";
		document.getElementById('tabContentGeo').style.display = "block";
		document.getElementById('tabContentAdapted').style.display = "none";
		document.getElementById('searchProgramme').className = '';
		document.getElementById('searchInstitution').className = '';		
		document.getElementById('searchAdvanced').className = '';
		document.getElementById('searchGeo').className = 'hi';
		document.getElementById('searchAdapted').className = '';
	} 
}

function toggleAdapted() {
	var d = document; {
		document.getElementById('tabContentProgramme').style.display = "none";
		document.getElementById('tabContentInstitution').style.display = "none";
		document.getElementById('tabContentAdvanced').style.display = "none";
		document.getElementById('tabContentGeo').style.display = "none";
		document.getElementById('tabContentAdapted').style.display = "block";
		document.getElementById('searchProgramme').className = '';
		document.getElementById('searchInstitution').className = '';		
		document.getElementById('searchAdvanced').className = '';
		document.getElementById('searchGeo').className = '';
		document.getElementById('searchAdapted').className = 'hi';
	} 
}

function toggleSheet1() {
	var d = document; {
		document.getElementById('tabContentSheet1').className = "";
		document.getElementById('tabContentSheet2').className = "hidden";
		document.getElementById('tabContentSheet3').className = "hidden";
		document.getElementById('tabContentSheet4').className = "hidden";
		document.getElementById('sheet1').className = 'hi';
		document.getElementById('sheet2').className = '';		
		document.getElementById('sheet3').className = '';
		document.getElementById('sheet4').className = '';
	} 
}
function toggleSheet2() {
	var d = document; {
		document.getElementById('tabContentSheet1').className = "hidden";
		document.getElementById('tabContentSheet2').className = "";
		document.getElementById('tabContentSheet3').className = "hidden";
		document.getElementById('tabContentSheet4').className = "hidden";
		document.getElementById('sheet1').className = '';
		document.getElementById('sheet2').className = 'hi';		
		document.getElementById('sheet3').className = '';
		document.getElementById('sheet4').className = '';
	} 
}
function toggleSheet3() {
	var d = document; {
		document.getElementById('tabContentSheet1').className = "hidden";
		document.getElementById('tabContentSheet2').className = "hidden";
		document.getElementById('tabContentSheet3').className = "";
		document.getElementById('tabContentSheet4').className = "hidden";
		document.getElementById('sheet1').className = '';
		document.getElementById('sheet2').className = '';		
		document.getElementById('sheet3').className = 'hi';
		document.getElementById('sheet4').className = '';
	} 
}
function toggleSheet4() {
	var d = document; {
		document.getElementById('tabContentSheet1').className = "hidden";
		document.getElementById('tabContentSheet2').className = "hidden";
		document.getElementById('tabContentSheet3').className = "hidden";
		document.getElementById('tabContentSheet4').className = "";
		document.getElementById('sheet1').className = '';
		document.getElementById('sheet2').className = '';		
		document.getElementById('sheet3').className = '';
		document.getElementById('sheet4').className = 'hi';
	} 
}

function toggleSheets(num,max) {
	var d = document; {
		for(i=1;i<=max;i++) {
			
			if ((document.getElementById('tabContentSheet'+i))) {
			document.getElementById('tabContentSheet'+i).className = 'hidden';
			document.getElementById('sheet'+i).className = '';
			}
		
		}	
		document.getElementById('tabContentSheet'+num).className = "";
		document.getElementById('sheet'+num).className = 'hi';
	}	

}

function setActiveStyleSheet(title) {
  var i, a, main;
  
  if (!title) title = 'normal';
  
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
      a.disabled = true;
      if(a.getAttribute("title") == title) a.disabled = false;
    }
  }
}

function getActiveStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && !a.disabled) return a.getAttribute("title");
  }
  return null;
}

function getPreferredStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1
       && a.getAttribute("rel").indexOf("alt") == -1
       && a.getAttribute("title")
       ) return a.getAttribute("title");
  }
  return null;
}

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 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;
}

/*window.onload = function(e) {
  var cookie = readCookie("style");
  var title = cookie ? cookie : getPreferredStyleSheet();
  setActiveStyleSheet(title);
}*/
/*
window.onunload = function(e) {
  var title = getActiveStyleSheet();
  createCookie("horstyle", title, 365);
}*/
/*
var cookie = readCookie("horstyle");
var title = cookie ? cookie : getPreferredStyleSheet();	
setActiveStyleSheet(title);
*/

function validateSearchTerm(formname) {
   
    //get the value of the search term
    var kw = '#keywords_find_programme';
    if(formname != 'findaprogrammeform') {
        kw = '#keywords_find_institution' ;
    }
    if($(kw).val().length < 1 || $(kw).val() == '' ){
            if(formname == 'findaprogrammeform') {
                    $('#search_programme_term_error').show();
            } else {
                    $('#search_institution_term_error').show();
            }
            //$('keywords_find_programme').setStyle({backgroundColor: '#EEF9FE'});
    } else {
            if(formname == 'findaprogrammeform') {
                    document.findaprogrammeform.submit();
            }else {
                    document.findaninstitutionform.submit();
                    
            }
    }
}