var isNav=false;
var DEFAULT_WIDTH = 930;
var M_TOP = 116;
var M1_LEFT = -450;
var M2_LEFT = -240;
var M3_LEFT = 150;
var M4_LEFT = 295;


var M1_LEFT_DEFAULT = 60;
var M2_LEFT_DEFAULT = 270;
var M3_LEFT_DEFAULT = 660;
var M4_LEFT_DEFAULT = 805;

function fnc_init(){

		if ( document.body.clientWidth )
			var m1_newleft  = document.body.clientWidth/2;
		else
			var m1_newleft = window.screenX;

		document.getElementById('menu_1').style.top = M_TOP + 'px';
		document.getElementById('menu_2').style.top = M_TOP + 'px';
		document.getElementById('menu_3').style.top = M_TOP + 'px';
		document.getElementById('menu_4').style.top = M_TOP + 'px';

		if (document.body.clientWidth > DEFAULT_WIDTH )
		{
			document.getElementById('menu_1').style.left = (m1_newleft+M1_LEFT) + 'px';
			document.getElementById('menu_2').style.left = (m1_newleft+M2_LEFT) + 'px';
			document.getElementById('menu_3').style.left = (m1_newleft+M3_LEFT) + 'px';
			document.getElementById('menu_4').style.left = (m1_newleft+M4_LEFT) + 'px';
		} else {
			document.getElementById('menu_1').style.left = M1_LEFT_DEFAULT + 'px';
			document.getElementById('menu_2').style.left = M2_LEFT_DEFAULT + 'px';
			document.getElementById('menu_3').style.left = M3_LEFT_DEFAULT + 'px';
			document.getElementById('menu_4').style.left = M4_LEFT_DEFAULT + 'px';
		}


}

function fnc_setCenters(){
		
		
		var m1_newleft  = document.body.clientWidth/2;
		
		document.getElementById('menu_1').style.top = M_TOP + 'px';
		document.getElementById('menu_2').style.top = M_TOP + 'px';
		document.getElementById('menu_3').style.top = M_TOP + 'px';
		document.getElementById('menu_4').style.top = M_TOP + 'px';

		if (document.body.clientWidth > DEFAULT_WIDTH )
		{
			document.getElementById('menu_1').style.left = (m1_newleft+M1_LEFT) + 'px';
			document.getElementById('menu_2').style.left = (m1_newleft+M2_LEFT) + 'px';
			document.getElementById('menu_3').style.left = (m1_newleft+M3_LEFT) + 'px';
			document.getElementById('menu_4').style.left = (m1_newleft+M4_LEFT) + 'px';
			
		} else {

			document.getElementById('menu_1').style.left = M1_LEFT_DEFAULT + 'px';
			document.getElementById('menu_2').style.left = M2_LEFT_DEFAULT + 'px';
			document.getElementById('menu_3').style.left = M3_LEFT_DEFAULT + 'px';
			document.getElementById('menu_4').style.left = M4_LEFT_DEFAULT + 'px';
		}

}

function fnc_show_menu(MENU_INDEX){

	document.getElementById('menu_'+MENU_INDEX).style.display = 'block';

}

function fnc_hide_menu(MENU_INDEX){

	document.getElementById('menu_'+MENU_INDEX).style.display = 'none';

}