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);
  }

//changing selected claas for pre defined search at literature section
  function changeClass(element)
  {
  document.getElementById("search_all").className='first';
  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 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)
  {
	document.getElementById('artworkID1').options[0].selected=true;
	document.getElementById('title').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;
  }

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