function shrink(picname) {  
	var x;
	x = document.getElementById(picname);
	 if( x.width > 600 ) {
		x.width=600;
	}
}

function popup(popurl,Height,width){
winpops=window.open(popurl,"","toolbar=no,location=no,directories=no,status=no," +
                              "menubar=no,scrollbars=yes,resizable=no," +
                              "width="+width+",height="+Height+",left=20,top=20")
}