function popup(winurl){
		window.open(winurl,"popup","height=400,width=520,menubar=0,resizeable=0,location=0,scrollbars=1,status=0,titlebar=0,toolbar=0");
	}
	function popupSendArt(winurl){
		window.open(winurl,"sendart","height=316,width=517,menubar=0,resizeable=0,location=0,scrollbars=1,status=0,titlebar=0,toolbar=0");
	}
	function popupSubmit(winurl){
		window.open(winurl,"submit","height=432,width=500,menubar=0,resizeable=0,location=0,scrollbars=1,status=0,titlebar=0,toolbar=0");
	}
	function popupAbout(winurl){
		window.open(winurl,"about","height=209,width=500,menubar=0,resizeable=0,location=0,scrollbars=1,status=0,titlebar=0,toolbar=0");
	}