JavaScript Clear Dyanamic TextBoxes Text Url QueryString

function getParams()
{
var index = document.URL.indexOf('?');
var params = new Array();
if ( index != -1 )
{
var nameValuePairs = document.URL.substring(index+1,document.URL.length).split('&');
for ( var i=0; i < nameValuePairs.length; i++ )
{
nameVal = nameValuePairs[i].split('=');
params[nameVal[0]] = nameVal[1];
}

}
return params;
}

function Reset()
{
var params=getParams();
var mystat=unescape(params["pgs"]);
for(var i=1; i <= mystat;i++)
{
document.getElementById("txt"+i).value = "";
}
return false;
}