httpquerystring.js

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<!--
function QueryString(sName)
{

    var sSource = String(window.document.location);

    var sReturn = "";

    var sQUS = "?";

    var sAMP = "&";

    var sEQ = "=";

    var iPos;

    iPos = sSource.indexOf(sQUS);

    var strQuery = sSource.substr(iPos, sSource.length - iPos);

    var strLCQuery = strQuery.toLowerCase();

    var strLCName = sName.toLowerCase();

    iPos = strLCQuery.indexOf(sQUS + strLCName + sEQ);

    if (iPos == -1)

    {

        iPos = strLCQuery.indexOf(sAMP + strLCName + sEQ);

            if (iPos == -1)

                return "";

     }

    sReturn = strQuery.substr(iPos + sName.length + 2,strQuery.length-(iPos + sName.length + 2));

    var iPosAMP = sReturn.indexOf(sAMP);

    if (iPosAMP == -1)

        return sReturn;

            else

        {

            sReturn = sReturn.substr(0, iPosAMP);

        }

            return sReturn;

}
 function  trim(s)  
        {  
            var  i,b=0,e=s.length;  
            for(i=0;i<s.length;i++) 
                 if(s.charAt(i)!=' '){b=i;break;}  
            if(i==s.length)  
                return  "";  
            for(i=s.length-1;i>b;i--)  
                if(s.charAt(i)!=' '){e=i;break;}  
            return  s.substring(b,e+1);  
        }

-->