function getRadioValue(radioObj){
var length = radioObj.length;
if(length == undefined && radioObj.checked)
		return radioObj.value;
for(var i = 0; i < length; i++) {
		if(radioObj[i].checked) {
			return radioObj[i].value;
		}
	}
	return '';
	
}


function setCookie(c_name,value,expiredays)
{
var exdate=new Date();
exdate.setDate(exdate.getDate()+expiredays);
document.cookie=c_name+ "=" +escape(value)+
((expiredays==null) ? "" : ";expires="+exdate.toGMTString() + "; path =/");
}