function popup(){
mywindow=open('images/gift_cert.jpg','myname','STATUS=NO,TOOLBAR=YES,LOCATION=NO,DIRECTORIES=NO,COPYHISTORY=NO,MENUBAR=YES,RESIZABLE=YES,SCROLLBARS=YES,width=780,height=440,screenX=100,screenY=100,top=100,left=100');
    mywindow.location.href = 'images/gift_cert.jpg';
    if (mywindow.opener == null) mywindow.opener = self; 
}

function valentine(){
mywindow=open('images/heart_cert.jpg','myname','STATUS=NO,TOOLBAR=YES,LOCATION=NO,DIRECTORIES=NO,COPYHISTORY=NO,MENUBAR=YES,RESIZABLE=YES,SCROLLBARS=no,width=620,height=470,screenX=100,screenY=100,top=100,left=100');
    mywindow.location.href = 'images/heart_cert.jpg';
    if (mywindow.opener == null) mywindow.opener = self; 
}

function coupon(){
mywindow=open('coupon.html','myname','STATUS=NO,TOOLBAR=YES,LOCATION=NO,DIRECTORIES=NO,COPYHISTORY=NO,MENUBAR=YES,RESIZABLE=YES,SCROLLBARS=YES,width=700,height=580,screenX=50,screenY=20,top=20,left=50');
    mywindow.location.href = 'coupon.html';
    if (mywindow.opener == null) mywindow.opener = self; 
}

function prize(){
mywindow=open('images/prize.gif','myname','STATUS=NO,TOOLBAR=NO,LOCATION=NO,DIRECTORIES=NO,COPYHISTORY=NO,MENUBAR=NO,RESIZABLE=YES,SCROLLBARS=AUTO,width=400,height=500,screenX=50,screenY=20,top=20,left=50');
    mywindow.location.href = 'images/prize.gif';
    if (mywindow.opener == null) mywindow.opener = self; 
}