var resetCls = 'nav_menu_link';
function showSubMenu( id ){
	document.getElementById('home_menu').style.display = 'none';
	document.getElementById('solution_menu').style.display = 'none';
	document.getElementById('service_menu').style.display = 'none';
	document.getElementById(id).style.display = 'block';
	resetCls = document.getElementById(id+'_link').className;
	if ( resetCls != 'nav_menu_link_selected' )
		document.getElementById(id+'_link').className  = 'nav_menu_link_hover';
	
	clearInterval(timer);
}

function hideSubMenu( e, id ){
	var toEl = e.toElement || e.relatedTarget;	
	var flag = 0;
	try{
		if ( toEl.className.match(/sub_menu_bg|sub_menu_item|sub_menu_link/) != null )
			return;	
		for( var i=0; i<2; i++ ){
			toEl = toEl.parentNode;
			if ( toEl.className.match(/sub_menu_bg|sub_menu_item|sub_menu_link/) != null ){
				flag = 1;
				break;
			}
		}
	}catch(e){
	
	}
	
	if ( !flag ){
		document.getElementById(id).style.display = 'none';
		document.getElementById(id+'_link').className  = resetCls;
		timer = setInterval('animBanner()',3000);
	}
}

var aBannerImages = ['1.jpg', '2.jpg','3.jpg', '4.jpg','5.jpg', '6.jpg','7.jpg']
var loopCnt = 1, timer;
function BannerSlideShow(){
	for ( var t=0; t<aBannerImages.length; t++ ){
		if ( t == 0 )
		$('#banner_images').append('<img id="banner_image_'+t+'" src="templates/BannerImages/'+aBannerImages[t]+'" vspace="5" hspace="5" style="display:block" />')
		else
		$('#banner_images').append('<img id="banner_image_'+t+'" src="templates/BannerImages/'+aBannerImages[t]+'" vspace="5" hspace="5" style="display:none" />')
	}
	timer = setInterval('animBanner()',3000);
}

function animBanner(){	
	if ( loopCnt == 0 ){
		$('#banner_image_'+loopCnt).fadeIn('slow', function(){loopCnt++;});
	}else{
		$('#banner_image_'+(loopCnt-1)).fadeOut('slow',function(){$('#banner_image_'+loopCnt).fadeIn('slow',function(){loopCnt++;})});
	}	
	if ( loopCnt >=7 ) loopCnt = 0;
}