// JavaScript Document

var nr_rows = document.all['sondajTable'].rows.length;
var table = document.all['sondajTable'];
var value = 0;
for (i=1; i<nr_rows-1; i++){
	table.rows[i].getElementsByTagName('span')[0].onmouseover = function(){
		changeClass(this,'description_txt_light_over');
	}
	table.rows[i].getElementsByTagName('span')[0].onmouseout = function(){
		changeClass(this,'description_txt_light');
	}
	table.rows[i].onclick = function(e){
		//var ev = (typeof event != "undefined") ? (event) : (e);
		var Obj = null;
		var ParentObj = null;
		if (navigator.userAgent.indexOf("MSIE")>=0){ 
			Obj = event.srcElement;
		}
		else{
			Obj = e.target;
		}
		ParentObj = Obj.parentNode;
		while (ParentObj.tagName != "TR"){
			ParentObj = ParentObj.parentNode;
		}
		
		if (ParentObj.rowIndex != value && (Obj.tagName == "IMG" || Obj.tagName == "SPAN")){
			if (value != 0){
				var img = table.rows[value].getElementsByTagName('IMG')[0];
				var img_path = img.src;
				img.src = img_path.substring(0,img_path.indexOf("radio_check.gif")) + "radio.gif";
			}
			value = ParentObj.rowIndex;
			var img = ParentObj.getElementsByTagName('IMG')[0];
			var img_path = img.src;
			img.src = img_path.substring(0,img_path.indexOf("radio.gif")) + "radio_check.gif";
		}
	}
}