function GetValueJS(paramName, defaultvalue)
{
	var sURL = window.document.URL.toString();
	
	if (sURL.indexOf("?") > 0)
	{
		var arrParams = sURL.split("?");
			
		var arrURLParams = arrParams[1].split("&");
		
		var arrParamNames = new Array(arrURLParams.length);
		var arrParamValues = new Array(arrURLParams.length);
		
		var i = 0;
		for (i=0;i<arrURLParams.length;i++)
		{
			var sParam =  arrURLParams[i].split("=");
			arrParamNames[i] = sParam[0];
			if (sParam[1] != "")
				arrParamValues[i] = unescape(sParam[1]);
		}
		
		for (i=0;i<arrURLParams.length;i++)
		{
			if (arrParamNames[i]==paramName)
				return arrParamValues[i];
		}
	}
	return defaultvalue;
}