var NowImg = 1;
var bStart = 0;
var bStop =0;


var pic_num=new Array(3);
pic_num[1]="po1"
pic_num[2]="po2"
pic_num[3]="po3"
pic_num[4]="po4"

function no2div(img) {
	document.getElementById(pic_num[1]).style.display="none"
	document.getElementById(pic_num[2]).style.display="none"
	document.getElementById(pic_num[3]).style.display="none"
	document.getElementById(pic_num[4]).style.display="none"
	document.getElementById(pic_num[img]).style.display=""


	/*bStop=1;
	if(img==1)
	{
		document.getElementById("po1").style.display=""
		document.getElementById("po2").style.display="none"
			//document.images['oDIV1'].style.display = "";
			//document.images['oDIV2'].style.display = "none"; 
	}
	else if(img==2)
	{
		document.getElementById("po1").style.display="none"
		document.getElementById("po2").style.display=""
			//document.images['oDIV2'].style.display = "";
			//document.images['oDIV1'].style.display = "none"; 

	}*/
	
}



function no3div(img) {
	parent.document.getElementById(pic_num[1]).style.display="none"
	parent.document.getElementById(pic_num[2]).style.display="none"
	parent.document.getElementById(pic_num[3]).style.display="none"
	parent.document.getElementById(pic_num[4]).style.display="none"
	parent.document.getElementById(pic_num[img]).style.display=""

}