function winopen(){
growWin=window.open("shop/index.html","","toolbar=yes,location=yes,directories=no,status=yes,menubar=no,scrollbars=yes,resizable=yes,width=20,height=15");
for(curWidth=20,curHeight=15;curWidth<800;curWidth+= 20,curHeight += 15){
curXpos=(screen.width-curWidth)/2;
curYpos=(screen.height-curHeight)/2;
growWin.moveTo(curXpos,curYpos);
growWin.resizeTo(curWidth,curHeight);
}
}