//function to know which radio button was checked
function getCheckedValue(radioObj) {
	if(!radioObj)
		return "";
	var radioLength = radioObj.length;
	if(radioLength == undefined)
		if(radioObj.checked)
			return radioObj.value;
		else
			return "";
	for(var i = 0; i < radioLength; i++) {
		if(radioObj[i].checked) {
			return radioObj[i].value;
		}
	}
	return "";
}

function IsNumeric(sText)

{
	if(sText=='') return false;
   var ValidChars = "0123456789.";
   var IsNumber=true;
   var Char;

 
   for (i = 0; i < sText.length && IsNumber == true; i++) 
      { 
      Char = sText.charAt(i); 
      if (ValidChars.indexOf(Char) == -1) 
         {
         IsNumber = false;
         }
      }
   return IsNumber;
   
   }

function ChangeTab(type) {
	if(window.tab_is_being_changed!=1) {
		jQuery('#'+type).addClass('selected').removeClass('arial_15_light_blue_b').addClass('arial_15_b').siblings().each(function() {jQuery(this).removeClass('selected').removeClass('arial_15_b').addClass('arial_15_light_blue_b'); });
	}
}

function ShowDivHideSiblings(div_ID) {
	if(jQuery('#'+div_ID).is(':hidden')) {
		jQuery('#'+div_ID).show().siblings().each(function() { jQuery(this).hide(); });
	} else {
		return false;
	}
}

function is_array(input){
	return typeof(input)=='object'&&(input instanceof Array);
}