// LAYER SHOW HIDE
function cu(stat){
	if (stat == 1){ 
		document.all.cu1.style.display = "block"; 
		document.all.img_01.src = "images/main_d_08_over.jpg"; 
		document.all.cu2.style.display = "none"; 
		document.all.img_02.src = "images/main_d_10_none.jpg";
		
	} else if (stat == 2){  
		document.all.cu1.style.display = "none"; 
		document.all.img_01.src = "images/main_d_08_none.jpg"; 
		document.all.cu2.style.display = "block"; 
		document.all.img_02.src = "images/main_d_10_over.jpg"; 
		}
	
}