var agt = navigator.userAgent.toLowerCase () ;
var is_ie = ((agt.indexOf ("msie") != -1) && (agt.indexOf ("opera") == -1)) ;

function showSubMenu(topMenuId){
	var topMenu = document.getElementById(topMenuId);
	var subMenuDiv = document.getElementById(topMenuId + "_div");
	var base = document.getElementById(topMenuId + "_p");
	topMenu.lang = 1;
	subMenuDiv.style.top = base.offsetTop;
	subMenuDiv.style.left = base.offsetLeft;
	subMenuDiv.style.visibility = "visible";
}

function hideDiv(topMenuId){
	setTimeout("hideDivTime('" + topMenuId + "')", 100);
}

function hideDivTime(topMenuId){
	var topMenu = document.getElementById(topMenuId);
	var subMenuDiv = document.getElementById(topMenuId + "_div");
	if(topMenu.lang == 0){
		subMenuDiv.style.visibility = "hidden";
	}
}

function setVis(topMenuId, value){
	var topMenu = document.getElementById(topMenuId);
	topMenu.lang = value;
	if(value == 0){
		hideDiv(topMenuId);
	}else if(value == 1){
		showSubMenu(topMenuId);
	}
}

function chClass(obj, classNameStr, subMenu){
	obj.className = classNameStr;
	var subMenuItem = document.getElementById(obj.id + "_div");
	if((subMenu == 0 || subMenu == 1) && subMenuItem){
		if(subMenu == 1){
			showSubMenu(obj.id);
		}else if(subMenu == 0){
			obj.lang = 0;
			hideDivTime(obj.id);
		}
	}
}

function chArrow(imgId, key){
	var imgObj = document.getElementById(imgId);
	if(key == 1){
		imgObj.src = "images/arrow_active.gif";
	}else{
		imgObj.src = "images/arrow.gif";
	}
}

function checkMark(){
	var markBaseObj = document.getElementById("markBase");
	var markObj = document.getElementById("mark");
	try
	{
		var delta = markBaseObj.offsetLeft - markObj.offsetLeft;
		var centerContentObj = document.getElementsByName("centerContent");
		if(delta > 0){
			for(var i = 0; i < centerContentObj.length; i++){
			alert(centerContentObj[i].style.backgroundPosition);
				centerContentObj[i].style.backgroundPosition = delta;
			}
		}
	}
	catch(ex)
	{}
}

function updateBorders(){
	if(is_ie){
		var leftBorderObj = document.getElementById("leftBorder");
		var rightBorderObj = document.getElementById("rightBorder");
		/*leftBorderObj.className = "";
		leftBorderObj.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='images/left_border.png', enabled=1, sizingMethod='scale')";
		rightBorderObj.className = "";
		rightBorderObj.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='images/right_border.png', enabled=1, sizingMethod='scale')";*/
	}
	checkMark();
}