//ロールオーバー
function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

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

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		flow_03_over = newImage("../img/workflow/flow_03-over.gif");
		flow_05_over = newImage("../img/workflow/flow_05-over.gif");
		flow_07_over = newImage("../img/workflow/flow_07-over.gif");
		flow_09_over = newImage("../img/workflow/flow_09-over.gif");
		flow_11_over = newImage("../img/workflow/flow_11-over.gif");
		flow_13_over = newImage("../img/workflow/flow_13-over.gif");
		flow_15_over = newImage("../img/workflow/flow_15-over.gif");
		flow_17_over = newImage("../img/workflow/flow_17-over.gif");
		flow_21_flow_03_over = newImage("../img/workflow/flow_21-flow_03_over.gif");
		flow_21_flow_05_over = newImage("../img/workflow/flow_21-flow_05_over.gif");
		flow_21_flow_07_over = newImage("../img/workflow/flow_21-flow_07_over.gif");
		flow_21_flow_09_over = newImage("../img/workflow/flow_21-flow_09_over.gif");
		flow_21_flow_11_over = newImage("../img/workflow/flow_21-flow_11_over.gif");
		flow_21_flow_13_over = newImage("../img/workflow/flow_21-flow_13_over.gif");
		flow_21_flow_15_over = newImage("../img/workflow/flow_21-flow_15_over.gif");
		flow_21_flow_17_over = newImage("../img/workflow/flow_21-flow_17_over.gif");
		preloadFlag = true;
	}
}

// -->