function MaximizeBrowser(){
    self.moveTo(0,0);

    self.resizeTo(screen.availWidth,screen.availHeight);
    
}


function OnlyNumbers(e)
 {
 var keynum
 var keychar
 var numcheck
 
if(window.event) // IE
 {
 keynum = e.keyCode
 }
 else if(e.which) // Netscape/Firefox/Opera
 {
 keynum = e.which
 }
 keychar = String.fromCharCode(keynum)
 numcheck = /\d/
 return numcheck.test(keychar)
 }