function bshow(type)
{
	if(type=="closs"){document.getElementById("bigshow").style.display="none"}
	else
	{
		document.getElementById("bsimg").innerHTML="<img src='"+type+"' />"
		document.getElementById("bigshow").style.display="block"
		if(document.documentElement.clientHeight>document.body.scrollHeight)
		{document.getElementById("bsbg").style.height=document.documentElement.clientHeight}
		else{document.getElementById("bsbg").style.height=document.body.scrollHeight}
	}
}