var isNav=false;
var DEFAULT_WIDTH = 849;
var M_TOP = 110;
var M1_LEFT = -227;
var M2_LEFT = 0;
var M3_LEFT = 150;
var M4_LEFT = 150;


var M1_LEFT_DEFAULT = 264;
var M2_LEFT_DEFAULT = 470;
var M3_LEFT_DEFAULT = 708;
var M4_LEFT_DEFAULT = 592;

function fnc_init(){

		var m1_newleft  = document.body.clientWidth/2;
		document.all.menu_1.style.top = M_TOP;
		document.all.menu_2.style.top = M_TOP;
		document.all.menu_3.style.top = M_TOP;
		document.all.menu_4.style.top = M_TOP;

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

			document.all.menu_1.style.left = M1_LEFT_DEFAULT;
			document.all.menu_2.style.left = M2_LEFT_DEFAULT;
			document.all.menu_3.style.left = M3_LEFT_DEFAULT;
			document.all.menu_4.style.left = M4_LEFT_DEFAULT;

		}


}

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

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

			document.all.menu_1.style.left = M1_LEFT_DEFAULT;
			document.all.menu_2.style.left = M2_LEFT_DEFAULT;
			document.all.menu_3.style.left = M3_LEFT_DEFAULT;
			document.all.menu_4.style.left = M4_LEFT_DEFAULT;


		}



}

function fnc_show_menu(MENU_INDEX){

	document.all['menu_'+MENU_INDEX].style.display = 'block';

}

function fnc_hide_menu(MENU_INDEX){

	document.all['menu_'+MENU_INDEX].style.display = 'none';

}