/* input fields */

function inputFocus( txt, implicitValue ){
	if(txt.value == implicitValue){
		 txt.value = "";
	}
}

function inputFocusBack( txt, implicitValue){
	if(txt.value == ""){
		txt.value = implicitValue;
	}
}

/* button rollover */

function switchButton(mode,obj) {
	if (mode=='over'){
		obj.style.backgroundPosition='left top';
	}
	else if (mode=='out'){
		obj.style.backgroundPosition='left bottom';
	}
}