function hide(it){/*??¨°t2?¦Ì£¤*/
	it.children[1].style.visibility="hidden";
	it.children[1].style.display="none";
}
function show(it){	
	it.children[1].style.visibility="visible";
	it.children[1].style.display="block";
}
function popwin(url,name)
{
	var features='width='+window.screen.width+',height='+window.screen.height+',scrollbars=1,left=0,top=0, resizable=yes';
	window.open(url,'_blank',features);
}

function popwin2(url,name,width,height){
	if(width=='')
		width='800';
	if(height=='')
		height='600'
	var features='width='+window.screen.width+',height='+window.screen.height+',scrollbars=1,left=0,top=0, resizable=yes';
	window.open(url,name,features);
}
function popwin3(url,name,width,height){
	if(width=='')
		width='800';
	if(height=='')
		height='600'
	var features='width='+width+',height='+height+',scrollbars=1';
	window.open(url,name,features);
}