function changeSearchType(type){
	
	switch(type){
		case 'simple':
		case 0:
			document.getElementById('aramatab-1').className='search-tab-active';	
			document.getElementById('aramatab-2').className='search-tab';
			document.getElementById('aramatab-3').className='search-tab';
			
			document.getElementById('zaman-arama').style.display='';
			document.getElementById('gelismis-arama').style.display='none';
			document.getElementById('google-arama').style.display='none';
			
			document.getElementById('search-type').value=0;
			break;
			
		case 'advanced':
		case 1:
			document.getElementById('aramatab-1').className='search-tab';	
			document.getElementById('aramatab-2').className='search-tab-active';
			document.getElementById('aramatab-3').className='search-tab';
			
			document.getElementById('zaman-arama').style.display='';
			document.getElementById('gelismis-arama').style.display='';
			document.getElementById('google-arama').style.display='none';
			
			document.getElementById('search-type').value=1;
			break;
			
		case 'google':
			document.getElementById('aramatab-1').className='search-tab';	
			document.getElementById('aramatab-2').className='search-tab';
			document.getElementById('aramatab-3').className='search-tab-active';
			
			document.getElementById('zaman-arama').style.display='none';
			document.getElementById('gelismis-arama').style.display='none';
			document.getElementById('google-arama').style.display='';
			break;
	}
	
}
function validateSearch(msg){
	var words = document.getElementById('all-kelimeler').value;
	var columnistObject = document.getElementById('advanced-author');
	var columnist = '';
	if(columnistObject!=null){
		columnist = document.getElementById('advanced-author').value;
	}
	
	if((words=='')&&(columnist=='')||(words.length<3&&words!='')){
		alert(msg);
		return false;
	}
	else{
		encodeSearchWords(words);
		return true;
	}
}

function encodeSearchWords(words){
	if(words!=''){
		words = encodeURI(words);
		words = words.replace(/%/g,'/-/');
		document.getElementById('wordsHiddenId').value=words;
	} else {
		words = document.getElementById('wordsHiddenId').value;
		words = encodeURI(words);
		words = words.replace(/%/g,'/-/');
		document.getElementById('wordsHiddenId').value=words;
	}
}

function formSubmit(){
//	var date = document.getElementById('date').value;
//	document.getElementById('searchForm').action = document.getElementById('searchForm').action+"?archiveDate="+date;
	document.getElementById('searchForm').submit();
}
function $F(id){
	var val=document.getElementById(id);
	if(val != null)
		return val.value;
	else
		return "";
	
}