//img
function newImg(arg) {
	if (document.images) {rslt = new Image();rslt.src = arg;return rslt;}
}

var preloadFlag = false;
function preloadImgs() {
	if (document.images) {
	Tcpc01 = newImg('img/Tcpc_link.gif');
	Tcpc02 = newImg('img/Tcpc_link_ie.gif');
	Tcpc03 = newImg('img/Tcpc_link_mg.gif');
	Tcpc04 = newImg('img/Tcpc_link_top.gif');
	
	PI01 = newImage('../common_img/btn_pi1.gif');
	PI02 = newImage('../common_img/btn_pi2.gif');
	
	L_TOP01 = newImage('../common_img/btn_top1.gif');
	L_TOP02 = newImage('../common_img/btn_top2.gif');
	L_CP01 = newImage('../common_img/btn10_cpc1.gif');
	L_CP02 = newImage('../common_img/btn10_cpc2.gif');
	L_IE01 = newImage('../common_img/btn10_ie1.gif');
	L_IE02 = newImage('../common_img/btn10_ie2.gif');
	L_MG01 = newImage('../common_img/btn10_mg1.gif');
	L_MG02 = newImage('../common_img/btn10_mg2.gif');
	
	preloadFlag = true;
	}
	return true;
}

function changeImg() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImg.arguments.length; i+=2) {
			document[changeImg.arguments[i]].src = eval(changeImg.arguments[i+1]).src;
		}
	}
	return true;
}

//style
function getStyle(idName) {

	if (document.getElementById) {
		return document.getElementById(idName).style;
	}
	else if (document.all) {
		return document.all(idName).style;
	}
	else if (document.layers) {
		return document.layers[idName];
	}
}

//overMenu
function overMenuC(btnId) {
	getStyle(btnId).backgroundColor = "#cceeee"
}

//outMenu
function outMenu(btnId) {
	getStyle(btnId).backgroundColor = "#f8f8f8"  
}

//show Map
function showMap(sURL,sName,pW,pH){
	var sParam = 'scrollbars,resizable,width='+pW+',height='+pH;
	var hWin = window.open(sURL,sName,sParam);
	hWin.focus();
}