function hideLoading(){
  	xajax.$('show_img').style.borderColor = '#FFFFFF'; 
}
function showLoading(){
	xajax.$('show_img').style.border = '1px'; 
	xajax.$('show_img').style.borderColor = '#C80000'; 
	xajax.$('show_img').style.borderStyle = 'dashed'; 
}  
//keep around the old call function
xajax.realCall = xajax.call;
//override the call function to bend to our wicked ways
xajax.call = function(sFunction, aArgs, sRequestType){
	showLoading();
	//call the old call function
	return this.realCall(sFunction, aArgs, sRequestType);
}   
function hiliteImage(oCss, image, className, classHilite){
	
	for (var i = 0; i < oCss.length; i++) {
  		oCss[i].className = className;
	}
	image.className = classHilite;
	image.blur();
		
}