function imgPop(myurl,mytitle,mybreed,myhoog) {

 if (document.all) {
         var xMax = screen.width, yMax = screen.height;
 } else {
   if (document.layers) {
    var xMax = window.outerWidth, yMax = window.outerHeight;
   } else {
    var xMax = mybreed, yMax = myhoog;
   }
 }
 var xOffset = (xMax - mybreed)/2, yOffset = (yMax - myhoog)/2;
 var popup = window.open('','popupimg','scrollbars=0,fullscreen=no,width=' + mybreed + ',height=' + myhoog + ',screenX='+xOffset+',screenY='+yOffset+',top='+yOffset+',left='+xOffset+'');

 popup.document.open();
 popup.document.write ("<html><head><title>"+ mytitle +"</title></head><body leftmargin=0 topmargin=0 marginwidth=0 marginheight=0 bgcolor='#FFFFFF' onBlur='self.close()'><img src="+ myurl +" width=" + mybreed + " height=" + myhoog + " border=0></body><html>");
 popup.document.close();

}

function filePop(myurl,mytitle,mybreed,myhoog) {

 if (document.all) {
         var xMax = screen.width, yMax = screen.height;
 } else {
   if (document.layers) {
    var xMax = window.outerWidth, yMax = window.outerHeight;
   } else {
    var xMax = mybreed, yMax = myhoog;
   }
 }
 var xOffset = (xMax - mybreed)/2, yOffset = (yMax - myhoog)/2;
 var popup = window.open(myurl,'popupfile','scrollbars=1,fullscreen=no,width=' + mybreed + ',height=' + myhoog + ',screenX='+xOffset+',screenY='+yOffset+',top='+yOffset+',left='+xOffset+'');

}

function filePop2(myurl,mytitle,mybreed,myhoog) {

 if (document.all) {
         var xMax = screen.width, yMax = screen.height;
 } else {
   if (document.layers) {
    var xMax = window.outerWidth, yMax = window.outerHeight;
   } else {
    var xMax = mybreed, yMax = myhoog;
   }
 }
 var xOffset = (xMax - mybreed)/2, yOffset = (yMax - myhoog)/2;
 var popup = window.open(myurl,'popupfile2','scrollbars=0,fullscreen=no,width=' + mybreed + ',height=' + myhoog + ',screenX='+xOffset+',screenY='+yOffset+',top='+yOffset+',left='+xOffset+'');

}

function soundPop(myurl,mytitle,mybreed,myhoog) {

 if (document.all) {
         var xMax = screen.width, yMax = screen.height;
 } else {
   if (document.layers) {
    var xMax = window.outerWidth, yMax = window.outerHeight;
   } else {
    var xMax = mybreed, yMax = myhoog;
   }
 }
 var xOffset = (xMax - mybreed)/2, yOffset = (yMax - myhoog)/2;
 var popup = window.open(myurl,'soundPop','scrollbars=0,fullscreen=no,width=' + mybreed + ',height=' + myhoog + ',screenX='+xOffset+',screenY='+yOffset+',top='+yOffset+',left='+xOffset+'');

}