function delete_confirm(element,url){
	var answer = confirm("Do you really want to delete?")
	if (answer){
	  if(element!='')
	  {
	  document.getElementById(element).action=url;
	  document.getElementById(element).submit();
	  }
	  else window.location=url;
	}
}


function delete_confirm2(url)
{
var agree=confirm("Are you sure you wish to delete?");
if (agree) window.location=url;
else return false ;
}

var counter=0;

  function AddInput(div_elm,div_ins,element)
  {
    counter++;
    var newAttachment=document.getElementById(div_elm).cloneNode(true);
    newAttachment.id="";
    newAttachment.style.display="block";
    var newField = newAttachment.childNodes;
    for (var i=0; i<newField.length; i++)
    {
      var theName=newField[i].name;
      var theId=newField[i].id;
      newField[i].value="";
      if (theName) newField[i].name = theName+counter;
      if (theId) newField[i].id = theId+counter;
    }
		var newDiv=document.createElement("div");
		newDiv.appendChild(newAttachment);
		var refE = document.getElementById(div_ins);
		var parE = refE.parentNode;
    parE.insertBefore(newDiv,refE);
  }


var clone_number = 1;
function add_item_clone(clone_item,insert_item) 
{ 
    if(clone_number > 9)
    {
        alert('Sorry you can only add 10 items');
        exit(0);
    }
    else
    {
        var new_clone=document.getElementById(clone_item).cloneNode(true);
        var new_insert=document.getElementById(insert_item);
        new_clone.id=clone_item+clone_number;
        var new_field = new_clone.childNodes;
        for (var i=0; i<new_field.length; i++)
        {
            var the_id=new_field[i].id;
            var the_name=new_field[i].name;
            if (the_id) 
            {
                var new_id=the_id+clone_number;
                new_field[i].id = new_id;
                new_field[i].setAttribute("onclick", "remove_item_clone('"+clone_item+clone_number+"','"+insert_item+"');");
                
            }
            if (the_name && the_name=="number_list[]")
            {
                new_field[i].value="";
            } 
        }
        new_insert.appendChild(new_clone);
    }
    clone_number++; 
}
 
function remove_item_clone(remove_item,insert_item) 
{ 
    var elm = document.getElementById(remove_item); 
    document.getElementById(insert_item).removeChild(elm); 
    clone_number = clone_number - 1; // decrement the max file upload counter if the file is removed 
} 


//changing selected claas for pre defined search at literature section
  function changeClass(element)
  {
    document.getElementById("search_all").className='first';
    document.getElementById("search_2010").className='';
    document.getElementById("search_2000").className='';
    document.getElementById("search_1990").className='';
    document.getElementById("search_1980").className='';
    document.getElementById("search_1970").className='';
    document.getElementById("search_1960").className='';
    if( element!='' ) element.className='selected first';
  }

    function search_lit_change_years(year_from,year_to)
    {
        var navRoot = document.getElementById("year-from");
        for (i=0; i<navRoot.length; i++) 
        {
            if( navRoot.options[i].value==year_from )
            {
                navRoot.options[i].selected=true;
            }
        }
        var navRoot = document.getElementById("year-to");
        for (i=0; i<navRoot.length; i++) 
        {
            if( navRoot.options[i].value==year_to )
            {
                navRoot.options[i].selected=true;
            }
        }

    }

//Function to disable specified form field
  function disable(field)
  {
  element=document.getElementById(field);
  if(element.disabled==false)element.disabled=true;
  else element.disabled=false;
  }



//Function to reset search from fields
  function reset_serch(from,to,number_value)
  {
	document.getElementById('artworkID1').options[0].selected=true;
	document.getElementById('title').value='';
	document.getElementById('number').innerHTML=number_value;
	document.getElementById('number1').value='';
	document.getElementById('museum').value='';
	document.getElementById('year-from').options[0].selected=true;
	document.getElementById('year-to').options[0].selected=true;
	document.getElementById('size-height-min').value=from;
	document.getElementById('size-height-max').value=to;
	document.getElementById('size-width-min').value=from;
	document.getElementById('size-width-max').value=to;
    document.getElementById('input-number-from').value='From';
    document.getElementById('input-number-to').value='To';
    var inputs = document.getElementsByTagName('input');
    for (var i = 0; i < inputs.length; i++)
    {
        if( inputs[i].name=="number_list[]" ) inputs[i].value='';
        var elm=document.getElementById('div-number-list'+i);
        if( elm ) document.getElementById('div-number-lists').removeChild(elm);
    }
  }

//Function to reset search EXH from fields
  function reset_serch_exh(from,to)
  {
	document.getElementById('location').value=from;
	document.getElementById('keyword').value=to;
	document.getElementById('year-from').options[0].selected=true;
	document.getElementById('year-to').options[0].selected=true;
  }

  function reset_search_quotes(to)
  {
	document.getElementById('keyword').value=to;
	document.getElementById('year-from').options[0].selected=true;
	document.getElementById('year-to').options[0].selected=true;
  }

  function reset_serch_lit(from,to,keyword)
  {
	document.getElementById('author_book').value=from;
	document.getElementById('title_book').value=to;
	document.getElementById('keyword_book').value=keyword;
	document.getElementById('books_catid').options[0].selected=true;
	document.getElementById('languageid').options[0].selected=true;
	document.getElementById('year-from').options[0].selected=true;
	document.getElementById('year-to').options[0].selected=true;
  }

  function reset_serch_articles(from,to)
  {
	document.getElementById('author_article').value=from;
	document.getElementById('title_article').value=to;
	document.getElementById('year-from').options[0].selected=true;
	document.getElementById('year-to').options[0].selected=true;
  }

function clear_text_field(e,text) {
    if( e.value==text) e.value="";
    else if( e.value.length==0 ) e.value=text;
}

                    function popup(url,width,height,scrollbars) 
                    {
                        var left   = (screen.width  - width)/2;
                        var top    = (screen.height - height)/2;
                        var params = 'width='+width+', height='+height;
                        params += ', top='+top+', left='+left;
                        params += ', directories=no';
                        params += ', location=no';
                        params += ', menubar=no';
                        params += ', resizable=no';
                        params += ', scrollbars='+scrollbars+'';
                        params += ', status=no';
                        params += ', toolbar=no';
                        newwin=window.open(url,'windowname5', params);
                        if (window.focus) {newwin.focus()}
                        return false;
                    }



function witch_key_pressed(evt,e)
{
    var charCode = (evt.which) ? evt.which : event.keyCode
    if( charCode==13 ) 
    {
        AJAX('search.php?orderby=year&orderhow=DESC&page=1&limit=0&per_page='+document.getElementById('per_page').options[document.getElementById('per_page').selectedIndex].value+'&author='+document.getElementById('author_book').value+'&title='+document.getElementById('title_book').value+'&books_catid='+document.getElementById('books_catid').options[document.getElementById('books_catid').selectedIndex].value+'&year-from='+document.getElementById('year-from').options[document.getElementById('year-from').selectedIndex].value+'&year-to='+document.getElementById('year-to').options[document.getElementById('year-to').selectedIndex].value+'&test=0');changeClass(document.getElementById('search_all'));
    }
}


function change_class(element,class_name,link,link_more,link_close)
{
    if( document.getElementById(element).className=='p-category-desc p-opened' ) 
    {
        document.getElementById(element).className='p-category-desc';
        link.innerHTML=link_more;
    }
    else 
    {
        document.getElementById(element).className=class_name;
        link.innerHTML=link_close;
    }
}