//****************************************************************//
//****************************************************************//
function kavb_init() {
	fixa_blankett();
	fixa_thumb(300);
}

//****************************************************************//
//****************************************************************//
function fixa_thumb(max_size) {
	thumb = document.getElementById('img_thumb');
	if(thumb) {
		if(thumb.height >= max_size || thumb.width >= max_size) {
			if(thumb.height > thumb.width) {
				height = max_size;
				width = Math.round(thumb.width/thumb.height*max_size);
			} else {
				width = max_size;
				height = Math.round(thumb.height/thumb.width*max_size);
			}
			thumb.width = width;
			thumb.height = height;
		}
	}
}

//****************************************************************//
//****************************************************************//
function is_empty(element_obj) {
	if(element_obj.innerHTML.match(/^( |[\s\u00A0\u2028\u2029])*$/)) {
		result = true;
	} else {
		result = false;
	}
	return result;
}


//****************************************************************//
//****************************************************************//
function fixa_blankett() {

	/* Lista (typ ämnesord). Ta bort tomma */
	lista = getElementsByClassName('lista');
	for(i=0; lista[i]; i++) {
		lista[i].innerHTML = lista[i].innerHTML.replace(/<br>&nbsp;|<br>[\s\u00A0\u2028\u2029]|&nbsp;<br>|[\s\u00A0\u2028\u2029]<br>/gi, '');
	}

	/* Dölj tomma fält */
	lista = getElementsByClassName('blankett_sektion');
	for(i=0; lista[i]; i++) {
		trlista = '';
		trlista = lista[i].getElementsByTagName('tr');
		is_keeper = 0;
		for(j=0; trlista[j]; j++) {
			tdlista = '';
			tdlista = trlista[j].getElementsByTagName('td');
			if(is_empty(tdlista[0])) {
				trlista[j].style.display = 'none';
			} else {
				is_keeper = 1;
			}
		}
		if(!is_keeper) {
			lista[i].parentNode.removeChild(lista[i]);
		}
	}
}


//****************************************************************//
//****************************************************************//
function fixForm(form) {
	/* Söksträng */
	var searchString = document.getElementById("input_bildnr").value;
	
	/* Fält för Museikod, Bildnummer samt Litt/subnummer */
	var muskodField = document.getElementById("fld_muskod");
	var bildnrField = document.getElementById("fld_bildnummer");
	var littsubnrField = document.getElementById("fld_littsubnummer");
	
	/* Nollställ fält för Museikod, Bildnummer samt Litt/subnummer */
	muskodField.value = '';
	bildnrField.value = '';
	littsubnrField.value = '';

	/* Dela upp söksträngen vid eventuellt kolon */
	var splitArray = searchString.split(':');

	/* Tilldela värdena till fälten för Museikod, Bildnummer samt Litt/subnummer */
	muskodField.value = (splitArray[0] == undefined) ? '' : splitArray[0];
	bildnrField.value = (splitArray[1] == undefined) ? '' : splitArray[1];
	littsubnrField.value = (splitArray[2] == undefined) ? '' : splitArray[2];

	/* Debugging */
	//alert("Söksträng: " + searchString + "\nBildnummer: " + document.getElementById("fld_bildnummer").value + "\nLitt/subnummer: " + document.getElementById("fld_littsubnummer").value);
}


//****************************************************************//
//****************************************************************//
function random_imgFM(){
  var img=new Array()
  //specify random images below. You can have as many as you wish
  img[1]="SM 906.jpg"
  img[2]="SM 5070.jpg"
  img[3]="Vbm 509.jpg"
  img[4]="Vbm 11354.jpg"
  img[5]="Vbm 20556.jpg"
  img[6]="Vbm DF 18389.jpg"
  img[7]="Vbm DF 18532.jpg"

  //specify corresponding links below
  //var imagelinks=new Array()
  //imagelinks[1]="http://www.kulturarvvasterbotten.se/"
  //imagelinks[2]="http://www.kulturarvvasterbotten.se/"
  //imagelinks[3]="http://www.kulturarvvasterbotten.se/"

  var ry=Math.floor(Math.random()*img.length)

  if (ry==0)
     ry=1
	 document.write('<img src="/images/randomFM/'+img[ry]+'" border=0>')
     //om länkar används
	 //document.write('<a href='+'"'+imagelinks[ry]+'"'+'><img src="'+myimages[ry]+'" border=0></a>')
}

//****************************************************************//
//****************************************************************//
function random_imgFG(){
  var img=new Array()
  //specify random images below. You can have as many as you wish
  img[1]="SM AB 00092.jpg"
  img[2]="SM C 08195.jpg"
  img[3]="SM C 10889.jpg"
  img[4]="SM SB 00250.jpg"
  img[5]="SM X 00302.jpg"
  img[6]="Vbm B 2721.jpg"
  img[7]="Vbm B 2744.jpg"
  img[8]="Vbm BR 4037.jpg"
  img[9]="SM SB 00102.jpg"
  img[10]="SM DIA 00612.jpg"
  img[11]="SM DIA 06607.jpg"
  img[12]="SM DIA 07901.jpg"
  img[13]="SM C 00106.jpg"
  img[14]="SM C 02150.jpg"
  img[15]="Vbm BR 6232.jpg"
  img[16]="Vbm BR 13586.jpg"  
  


  //specify corresponding links below
  //var imagelinks=new Array()
  //imagelinks[1]="http://www.kulturarvvasterbotten.se/"
  //imagelinks[2]="http://www.kulturarvvasterbotten.se/"
  //imagelinks[3]="http://www.kulturarvvasterbotten.se/"

  var ry=Math.floor(Math.random()*img.length)

  if (ry==0)
     ry=1
	 document.write('<img src="/images/randomFG/'+img[ry]+'" border=0>')
     //om länkar används
	 //document.write('<a href='+'"'+imagelinks[ry]+'"'+'><img src="'+myimages[ry]+'" border=0></a>')
}