// Check comments form

function check_comments(){
	var text=document.getElementById('user_f_message');
	var name=document.getElementById('user_f_name');
	var email=document.getElementById('user_f_mail');
	var error_message=document.getElementById('f_error_message');

	var submit=document.getElementById('f_button');

	if(text.value && name.value && email.value){

		var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i

		if (filter.test(email.value)){
			submit.disabled=false;
			submit.className='';
			error_message.style.display='none';
		}

		else{
			submit.disabled=true;
			error_message.style.display='block';
			submit.className='disabled';
		}
	}

	else{
			submit.disabled=true;
			submit.className='disabled';
	}
	
}

// Check question form

function check_question(){

	var wood=document.getElementById('user_i_wood');
	var text=document.getElementById('user_f_message');
	var name=document.getElementById('user_f_name');
	var email=document.getElementById('user_f_mail');
	var error_message=document.getElementById('f_error_message');

	var submit=document.getElementById('f_button');

	if(wood.selectedIndex>0 && text.value && name.value && email.value){


		var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i

		if (filter.test(email.value)){
			submit.disabled=false;
			submit.className='';
			error_message.style.display='none';
		}

		else{
			submit.disabled=true;
			error_message.style.display='block';
			submit.className='disabled';
		}
	}

	else{
			submit.disabled=true;
			submit.className='disabled';
	}
	
}

// Top menu active link

function active(num){

	if(document.getElementById('active_menu')){
		block=document.getElementById('active_menu');

		if(num>0){
			block.innerHTML='<img src="/i/top_menu/h2_menu_'+num+'.gif" alt="" />';
		}

		else{
			block.innerHTML='<img src="/i/top_menu/h2_menu_0.gif" alt="" />';
		}
	}

}

// Change color

function change_color(color_num){

var colors = new Array();

colors[0]='#ffffff';
colors[1]='#E7E7E7';
colors[2]='#CFCFCF';
colors[3]='#AFAFAF';
colors[4]='#9B9B9B';
colors[5]='#737373';
colors[6]='#5D5D5D';
colors[7]='#4A4A4A';
colors[8]='#3B3B3B';
colors[9]='#000000';

	document.getElementById('big_image_block').style.backgroundColor=colors[color_num-1];
} 

// Rarety information

function create_rarety(active_menu){
	for(i=1; i<=5; i++){

		document.write('<a href="javascript:open_rarety('+i+')" id="rarety_'+i+'" class="rarety_'+i+'"><img src="/i/blank.gif" alt="" /></a>');


	}

	open_rarety(active_menu);

}

function open_rarety(active_menu){

	for(i=1; i<=5; i++){

		if(i==active_menu){

			document.getElementById('rarety_'+i).className="rarety_"+i+" active";
			
			insert_text(active_menu);

		}

		else{
			document.getElementById('rarety_'+i).className="rarety_"+i;
		}

	}


}

function insert_text(num){
		if (document.getElementById('rarety_text')!=null) {
			document.getElementById('rarety_text').innerHTML=rarety_text[num-1];
		}
		//alert(document.getElementById('rarety_text'));			
}

// Show comments

function show_comments(){
	document.getElementById('page_comments').style.display='block';
	document.getElementById('comments_button').className='active';
	document.getElementById('comments_button').href='javascript:close_comments();';
}

// Hide comments

function close_comments(){
	document.getElementById('page_comments').style.display='none';
	document.getElementById('comments_button').className='';
	document.getElementById('comments_button').href='javascript:show_comments();';
}