function myOpen_gal(page_gal) {
myX = ((screen.availWidth-500)/2)-18;
myY = ((screen.availHeight-500)/2)-35;
myWin = window.open(page_gal,'popUp_gal','scrollbars= yes,width=500,height=575,screenX='+myX+',left='+myX+',screenY='+myY+',top='+myY);
}

function myOpen_nyheder(page) {
  myX = ((screen.availWidth-974)/2)-18;
  myY = (screen.availHeight-600)/2;
  myWin = window.open(page,'popUp','scrollbars= yes,width=974,height=600,screenX='+myX+',left='+myX+',screenY='+myY+',top='+myY);
}

function myOpen_nyside(page1) {
  myX = ((screen.availWidth-974)/2)-18;
  myY = (screen.availHeight-600)/2;
  myWin = window.open(page1,'popUp','scrollbars= yes,width=974,height=600,screenX='+myX+',left='+myX+',screenY='+myY+',top='+myY);
}