var use = false;

function next_box(){
		var a = $('articles_box').getElementsByClassName('article').length;
		var left = parseInt($('articles_box').getStyle('left')== null ? 0: $('articles_box').getStyle('left'));
		
		//function onclick(event) { next_box(); return false; }
		

		
		if((a-1)*(-511)!= left){
			//$('next').onclick = empty;
			//window.setTimeout("setOnclickNext()", 1500);

			//new Effect.Move('articles_box', { x: -511, transition: Effect.Transitions.spring, duration: 1.5 });	
			if(!use){
			new Effect.Move('articles_box', { x: -511, transition: Effect.Transitions.sinoidal, duration: 1.0, beforeStart: function(){use = true;}, 						afterFinish: function(){use=false;} } );	
			return false;
			}
		}
		
		return false;
}

function back_box(){
		var a = $('articles_box').getElementsByClassName('article').length;
		var left = parseInt($('articles_box').getStyle('left')== null ? 0: $('articles_box').getStyle('left'));

		if( left != 0){
			//$('back').onclick = empty;
			//window.setTimeout("setOnclickBack()", 1500);
			//new Effect.Move('articles_box', { x: 511, transition: Effect.Transitions.spring, duration: 1.5 });  return false;
			if(!use){
				new Effect.Move('articles_box', { x: 511, transition: Effect.Transitions.sinoidal, duration: 1.0, beforeStart: function(){use = true;}, 						afterFinish: function(){use=false;} });  return false;
			}
		}
		
		return false;
}

function next_smallbox(box){
	if(!use){
			new Effect.Move(box, { x: -522, transition: Effect.Transitions.sinoidal, duration: 1.0, beforeStart: function(){use = true;}, 						afterFinish: function(){use=false;} });	 return false;
	}
}

function back_smallbox(box){
	if(!use){
			new Effect.Move(box, { x: 522, transition: Effect.Transitions.sinoidal, duration:1.0, beforeStart: function(){use = true;}, 						afterFinish: function(){use=false;} });   return false;
	}
}

function empty(){ return false;}


function setLoader(){ 
	$('loader').show();
	Element.hide.delay(2.5, 'loader');
}

function goforward(){
	if(!use){
		new Effect.Move('articles_box', { x: 1533, transition: Effect.Transitions.sinoidal, duration: 1.0, beforeStart: function(){use=true;}, afterFinish: function(){use=false } }); return false;
	}
}

function goforward2(){
	if(!use){
	new Effect.Move('articles_box', { x: 1022, transition: Effect.Transitions.sinoidal, duration: 1.0, beforeStart: function(){use=true;}, afterFinish: function(){use=false } }); return false;
	}
}

function goforward_px(meret){
	if(!use){
	new Effect.Move('articles_box', { x: meret, transition: Effect.Transitions.sinoidal, duration: 1.0, beforeStart: function(){use=true;}, afterFinish: function(){use=false } }); return false;
	}
}

function nextPic(){
	if(!use){
	new Effect.Move('articles_box', { x: -511, transition: Effect.Transitions.sinoidal, duration: 1.0, beforeStart: function(){use = true;}, 						afterFinish: function(){use=false;} }); return false;
	}
}

function fadeContent(){
	//$('content').fade(); return false;
	
	new Effect.Move('content', { x: 870, transition: Effect.Transitions.sinoidal, duration: 1.0 }); return false;
}

function appearContent(){
	/*$('content').innerHTML = $('ajax_content').innerHTML;
	$('ajax_content').innerHTML = '';
	$('content').appear(); return false; */
	
	$('content').innerHTML = $('ajax_content').innerHTML;
	//$('content').setStyle({ 'left': '-870px'});
	$('content').style.left = '-870px';

	//$('ajax_content').innerHTML = '';
	new Effect.Move('content', { x: 870, transition: Effect.Transitions.sinoidal, duration: 1.0 }); return false;
}

function colorCategory(n){
	if($('color_'+n+'_content').getStyle('display')=='none' ){
			switch(n){
				case '01': $('color_'+n).setStyle({'background':'#ca4061', 'color':'#ffffff'}); break;
				case '02': $('color_'+n).setStyle({'background':'#006666', 'color':'#ffffff'}); break;
				case '03': $('color_'+n).setStyle({'background':'#f9b9dc', 'color':'#ffffff'}); break;
				case '04': $('color_'+n).setStyle({'background':'#f7920f', 'color':'#ffffff'}); break;
				case '05': $('color_'+n).setStyle({'background':'#d63991', 'color':'#ffffff'}); break;
				case '06': $('color_'+n).setStyle({'background':'#f5760f', 'color':'#ffffff'}); break;
				case '07': $('color_'+n).setStyle({'background':'#a82338', 'color':'#ffffff'}); break;
				case '08': $('color_'+n).setStyle({'background':'#09a4aa', 'color':'#ffffff'}); break;
				case '09': $('color_'+n).setStyle({'background':'#ca4061', 'color':'#ffffff'}); break;
				case '10': $('color_'+n).setStyle({'background':'#006666', 'color':'#ffffff'}); break;
				case '11': $('color_'+n).setStyle({'background':'#f9b9dc', 'color':'#ffffff'}); break;
				case '12': $('color_'+n).setStyle({'background':'#f7920f', 'color':'#ffffff'}); break;
				case '13': $('color_'+n).setStyle({'background':'#d63991', 'color':'#ffffff'}); break;
				}
		}
	else{
		$('color_'+n).setStyle({'background':'#ffffff', 'color':'#1E3849'});
	}
}

function articalUp(){
	if($('small_artical_box').getStyle('display')=='block')
		new Effect.SlideUp('small_artical_box'); return false;
}

function articalDown(){
	if ($('small_artical_box').getStyle('display')=='none'){
		$('small_artical_box').innerHTML = $('ajax_content').innerHTML;
		new Effect.SlideDown('small_artical_box'); return false;
		}
}

function articalUpDown(){
	if($('small_artical_box').getStyle('display')=='block')
		new Effect.SlideUp('small_artical_box'); 
	
	if($('small_artical_box').innerHTML=='')
		$('small_artical_box').innerHTML = $('ajax_content').innerHTML
	else
		window.setTimeout(function() {$('small_artical_box').innerHTML = $('ajax_content').innerHTML}, 1000);
		
	new Effect.SlideDown('small_artical_box',{queue:'end'}); return false;
}