var D_chengYesOrNo = 0;
var disappeardelay=150;
function D_cheng(num){
	if (D_chengYesOrNo == 0){return false;}
	dt_div1.style.display="none";
	dt_div2.style.display="none";
	dt_div3.style.display="none";
	if (num==1){
		dt_div1.style.display="block";
	}
	if (num==2){
		dt_div2.style.display="block";
	}
	if (num==3){
		dt_div3.style.display="block";
	}
	D_chengYesOrNo = 0;
}
function D_cheng_Over(Num){
	D_chengYesOrNo=1;
	delayhide=setTimeout("D_cheng(" + Num + ")",disappeardelay);
}
function D_cheng_Out(){
	D_chengYesOrNo=0;
	clearTimeout(delayhide);
}



function main1r_L_B_cheng(num){
	document.getElementById("main1r_L_B_S_1").style.display="none";
	document.getElementById("main1r_L_B_S_2").style.display="none";
	document.getElementById("main1r_L_B_B_1").className = "li2";
	document.getElementById("main1r_L_B_B_2").className = "li2";
	if (num==1){
		document.getElementById("main1r_L_B_S_1").style.display="block";
		document.getElementById("main1r_L_B_B_1").className = "li1";
		document.getElementById("main1r_L_B_B_2").className = "li2";
	}
	if (num==2){
		document.getElementById("main1r_L_B_S_2").style.display="block";
		document.getElementById("main1r_L_B_B_2").className = "li1";
		document.getElementById("main1r_L_B_B_1").className = "li2";
	}
}

function main1r_R_B_cheng(num) {

	var tempOBJ_L,tempOBJ_S;

	for (i=1;i<=4;i++){
		tempOBJ_L = document.getElementById('main1r_R_B_li_' + i);
		tempOBJ_S = document.getElementById('main1r_R_B_show_' + i);

		if (i != num){
			tempOBJ_L.className = "li3"
			tempOBJ_S.style.display = "none";
		}
	}
		
	document.getElementById('main1r_R_B_show_' + num).style.display = "block";
	document.getElementById('main1r_R_B_li_' + num).className = "li2";	

}