//imageSwap.js

function newImage(location) {
	if (document.images) {
		theimage = new Image();
		theimage.src = location;
		return theimage;
	}
}

var preloadFlag = false;

function preloadImages() {
	if (document.images) {
		

		
		preloadFlag = true;
	}
}


function imgSwitch(anImage, replacementImage){
    var objStr,obj;
    if(document.images && (preloadFlag == true)){
      if (typeof(anImage) == 'string') {
        objStr = 'document.' + anImage;
        obj = eval(objStr);
      	obj.src = replacementImage;
      } else if ((typeof(anImage) == 'object') && anImage && anImage.src) {
        anImage.src = replacementImage;
    }
  }
}