function get(id) {
	if (document.getElementById(id)) {
		return document.getElementById(id);
	}
	return false;
}




function replace(check,checkValue,insertValue) {
	if (get(check)) {
		get(check).value=get(check).value.replace(checkValue,insertValue);
		return true;
	}
	return false;
}

function change(id,action,insertValue) {
	if (get(id)) {
		switch (action) {
			case 'action': get(id).action=insertValue; break;
			case 'style.background': get(id).style.background=insertValue; break;
			case 'style.border': get(id).style.border=insertValue; break;
			case 'checked': get(id).checked=insertValue; break;
			case 'disabled': get(id).disabled=insertValue; break;
			case 'html': get(id).innerHTML=insertValue; break;
			default: get(id).value=insertValue; break;
		}
		return true;
	}
	return false;
}

function style(id,action,insertValue,checkValue) {
	if (get(id)) {
		if(checkValue==0) {
			switch (action) {
				case 'display': get(id).style.display=insertValue; break;
			}
			return true;
		}
		else {
			switch (action) {
				case 'display': get(id).style.display==checkValue?style(id,action,insertValue,0):style(id,action,checkValue,0); break;
			}
			return true;
		}
	}
	return false;
}



function checkedAllForum (id, checked) {
  var el = document.getElementById(id);
  for (var i = 0; i < el.elements.length; i++) {
  //proteza dla szukania w forum
  if((el.elements[i].name == 'search_wales' || el.elements[i].name == 'search_england' || el.elements[i].name == 'search_scotland' || el.elements[i].name == 'search_all'))
    el.elements[i].checked = checked;
  }
}


function doSelectionAdvForum(x, y){
  if(x.checked) checkedAllForum(y, true);
  else checkedAllForum(y, false);
}


function checkedAll (id, checked) {
	var el = document.getElementById(id);
	for (var i = 0; i < el.elements.length; i++) {
	//proteza dla szukania w forum
	if(!(el.elements[i].name == 'search_wales' || el.elements[i].name == 'search_england' || el.elements[i].name == 'search_scotland' || el.elements[i].name == 'search_all'))
	  el.elements[i].checked = checked;
	}
}


function doSelection(x, y){
	if(x.checked) checkedAll(y, true);
	else checkedAll(y, false);
}

function unSelectionAll(id){
	var el = document.getElementById(id);
	el.checked = false;
}


function checkAll(name) {



	var i=0;
	if(!name) {
		name='check';
	}
	
	if(get(name + '_all').checked==true) {
		while(change(name + '_' + i++,'checked',true));
	}
	else {
		while(change(name + '_' + i++,'checked',false));
	}
	

	
}

function hide(id,str,type) {
	if(type==1) {
		if(get(id).value==str) get(id).value='';
	}
	else {
		if(get(id).value=='') get(id).value=str;
	}
}