function abreventana(pagina){
window.open(pagina,"","height=500,width=750,top=7,left=15,menubar=yes,scrollbars=yes,left="+((screen.width-750)/2)+",top="+((screen.height-500)/2)+"");
}
function abreventananueva(pagina){
window.open(pagina,"","");
}
function abreventanaHW(){
args = abreventanaHW.arguments;
derecha=(screen.width-args[2])/2;
arriba=(screen.height-args[1])/2;
window.open(args[0],"","height="+args[1]+",width="+args[2]+",top="+arriba+",left="+derecha+",menubar=yes,scrollbars=yes");
}
function abreventanasinHW(){
args = abreventanasinHW.arguments;
derecha=(screen.width-args[2])/2;
arriba=(screen.height-args[1])/2;
window.open(args[0],"","height="+args[1]+",width="+args[2]+",top="+arriba+",left="+derecha+",menubar=yes,scrollbars=no");
}
function abreventanasinnada(){
args = abreventanasinnada.arguments;
derecha=(screen.width-args[2])/2;
arriba=(screen.height-args[1])/2;
window.open(args[0],"","height="+args[1]+",width="+args[2]+",top="+arriba+",left="+derecha+",menubar=no,statusbar=no,scrollbars=no");
}
function abreventanasinHWscroll(){
args = abreventanasinHWscroll.arguments;
derecha=(screen.width-args[2])/2;
arriba=(screen.height-args[1])/2;
window.open(args[0],"","height="+args[1]+",width="+args[2]+",top="+arriba+",left="+derecha+",menubar=no,scrollbars=yes");
}
function openNewWindow(URLtoOpen, windowName, windowFeatures)
{
newWindow=window.open(URLtoOpen, windowName, windowFeatures);
}