function popup(src , w , h , sca, scr){
	
	var win, height, widht, scale, scroll, winwidth, winheight, y, x;
	
	winheight = screen.height;
	winwidth = screen.width;	
	height = h;
	width = w;
	
	x = ( winwidth / 2 ) - ( width / 2 );
	y = ( winheight / 2 ) - ( height / 2 );
	
	scroll = (scr)?",scrollbars=yes":",scrollbars=no";
	scale = (sca)?",resizable=yes":",resizable=no";
	
	var command = "width="+width+",height="+height+",top="+y+",left="+x+scale+scroll;
	
	win = window.open(src,"popup",command);
	
}

function getBrowserHeight() {
  var myHeight = 0;
  if( typeof( window.innerWidth ) == 'number' ) {
    //Non-IE
    myHeight = window.innerHeight;
  } else if( document.documentElement &&
      ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
    //IE 6+ in 'standards compliant mode'
    myHeight = document.documentElement.clientHeight;
  } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
    //IE 4 compatible
    myHeight = document.body.clientHeight;
  }
	return myHeight;
}