// general toolbox of functions

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

function getPreloadImage(ImageFilename)
{
	var ImagePreload = new Image();
	ImagePreload.src = ImageFilename;
}

function get_TextSize(SizeChange)
{
	CurrentSize = $("body").css("font-size");
	CurrentSizeNum = parseInt(CurrentSize);
	CurrentSizeUnits = CurrentSize.replace(CurrentSizeNum, "");
	
	switch (SizeChange)
	{
		case "up":
			CurrentSizeNum = CurrentSizeNum + 2;
			$("body").css("font-size", CurrentSizeNum + CurrentSizeUnits);
			$.get("/get_ajax/textsize.php", {textsize: CurrentSizeNum + CurrentSizeUnits});
			break;
		case "down":
			CurrentSizeNum = CurrentSizeNum - 2;
			$("body").css("font-size", CurrentSizeNum + CurrentSizeUnits);
			$.get("/get_ajax/textsize.php", {textsize: CurrentSizeNum + CurrentSizeUnits});
			break;
		case "reset":
			CurrentSizeNum = 12;
			$("body").css("font-size", CurrentSizeNum + CurrentSizeUnits);
			$.get("/get_ajax/textsize.php", {textsize: "reset"});
			break;
		
	}
}