if (document.images) {
image1on = new Image();
image1on.src = './img/menu_btn_main_out.gif';
image1off = new Image();
image1off.src = './img/menu_btn_main_in.gif';

image2on = new Image();
image2on.src = './img/menu_btn_news_out.gif';
image2off = new Image();
image2off.src = './img/menu_btn_news_in.gif';

image3on = new Image();
image3on.src = './img/menu_btn_equipment_out.gif';
image3off = new Image();
image3off.src = './img/menu_btn_equipment_in.gif';

image4on = new Image();
image4on.src = './img/menu_btn_team_out.gif';
image4off = new Image();
image4off.src = './img/menu_btn_team_in.gif';

image5on = new Image();
image5on.src = './img/menu_btn_forum_out.gif';
image5off = new Image();
image5off.src = './img/menu_btn_forum_in.gif';

image6on = new Image();
image6on.src = './img/menu_btn_weap_out.gif';
image6off = new Image();
image6off.src = './img/menu_btn_weap_in.gif';

image7on = new Image();
image7on.src = './img/fotoalbum_btn_out.jpg';
image7off = new Image();
image7off.src = './img/fotoalbum_btn_in.jpg';

image8on = new Image();
image8on.src = './img/ustav_btn_out.jpg';
image8off = new Image();
image8off.src = './img/ustav_btn_in.jpg';


//-------------------------------------------

image21on = new Image();
image21on.src = './img/history_btn_out.gif';
image21off = new Image();
image21off.src = './img/history_btn_in.gif';

image22on = new Image();
image22on.src = './img/galery_btn_out.gif';
image22off = new Image();
image22off.src = './img/galery_btn_in.gif';

image23on = new Image();
image23on.src = './img/airsoft_btn_out.gif';
image23off = new Image();
image23off.src = './img/airsoft_btn_in.gif';

image24on = new Image();
image24on.src = './img/cont_btn_out.gif';
image24off = new Image();
image24off.src = './img/cont_btn_in.gif';

image25on = new Image();
image25on.src = './img/bibl_btn_out.gif';
image25off = new Image();
image25off.src = './img/bibl_btn_in.gif';


image31on = new Image();
image31on.src = './img/ekip_helmet.gif';
image31off = new Image();
image31off.src = './img/ekip_start.gif';

image32on = new Image();
image32on.src = './img/ekip_armor.gif';
image32off = new Image();
image32off.src = './img/ekip_start.gif';


} 
 
function turnOn(imageName) {
	if (document.images) {
	document[imageName].src = eval(imageName + 'on'+'.src');
	}
	}

	function turnOff(imageName) {
	if (document.images) {
	document[imageName].src = eval(imageName + 'off'+'.src');
	}
	}
	
//mouse position	
	function defPosition(event) {
	      return {
	            x: event.clientX + (document.documentElement.scrollLeft || document.body.scrollLeft || window.scrollX),
	            y: event.clientY + (document.documentElement.scrollTop || document.body.scrollTop || window.scrollY)
	      };
	}