function setFocus( that) {
	that.style.background = "#FFFFFF";
	that.style.color = "#000000";
    that._defaultValue = that.value;   
    that.value = '';      
	that.onfocus = function() {
			//that.style.backgroundColor='#FFFFFF';
		that.style.background = "#FFFFFF";
		if( that.value === that._defaultValue ) {   
        	that.value = '';  
        }
	}
}
function checkRadioGroupChecked(group){
	var rt = false;
	for(var i=0;i<group.length;i++)
		rt = rt || group[i].checked;
	return rt;
}
function checkAndSetColor(radio_index){
	var radio_group = document.getElementsByName("radiobutton0"+radio_index);
	document.getElementById("row"+radio_index).style.background = checkRadioGroupChecked(radio_group)?"#FFFFFF":"#FF8487";
}