// Preload Images

window.onload = function(){
	preloadImage();
}

function preloadImage(){
	var img00 = new Image;
	var img01 = new Image;
	img00.src = "/file/template/images/portal/gNavi20Sub.jpg";
	img01.src = "/file/template/images/portal/gNavi30Sub.jpg";
}

// #gNavi: Pull Down

function pulldown(num){
	var gNaviHeightPortal = "29px";
	var gNaviHeight = "25px";
	var gNaviId = "gNavi" + num + "Sub";
	if(document.getElementById("portal")){
		if(document.getElementById){
			document.getElementById(gNaviId).style.top = gNaviHeightPortal;
		}
		if(document.all){
			document.all(gNaviId).style.top = gNaviHeightPortal;
		}
	}else{
		if(document.getElementById){
			document.getElementById(gNaviId).style.top = gNaviHeight;
		}
		if(document.all){
			document.all(gNaviId).style.top = gNaviHeight;
		}
	}
}

function pullup(num){
	var gNaviId = "gNavi" + num + "Sub"
	if(document.getElementById){
		document.getElementById(gNaviId).style.top = "-300px";
	}
	if(document.all){
		document.all(gNaviId).style.top = "-300px";
	}
}


// Sub Portal: #pickup

var pickupDefaultDisplayCount = 1; // Number of displays [ #pickup div ]

function pickupDisplay(){
		if (document.getElementById("pickup")){
				var pickup = document.getElementById("pickup").getElementsByTagName("div");
				var pickupLen = pickup.length;
				if (pickupLen > 1){
						for(var i=0;i<pickupLen;i++){
								if (i >= pickupDefaultDisplayCount){
										pickup[i].style.display = "none";
								}
						}
				}
		}
}