//

// $RCSfile: global.js,v $

// $Revision: 1.7 $

// $Date: 2007/03/09 22:21:12 $

//



/*

* Returns a page element by its id in a non browser specific way.

*/

function getEl(id) {

    if (document.layers) { return document.layers[id]; }

    else if (document.all) { return document.all[id]; }

    else if (document.getElementById) { return document.getElementById(id); }

}

// code for window popups

function openWin(url) {

    var win = window.open(url,'newWindow','width=850,height=550,menubar=yes,location=no,statusbar=yes,personalbar=no,scrollbars=yes,resize=yes');

}



function lTrim(str)

{

    var re

    re  = /^\s*/;

    str = (str.replace(re,''));

    return str;

}   



function rTrim(str)

{

    var len = str.length;

    var cnt = len-1;

    while(str.charAt(cnt) == " ")

    {

        cnt = cnt - 1;

        if (cnt <=0)

            break;

    }

    str = str.slice(0,cnt+1);

    return str;

}   



function trimString(str)

{

    return lTrim(rTrim(str));

}



function checkSearchTerm(searchQuery) {

	if (!searchQuery) searchQuery = document.getElementById("q01");

    if (trimString(searchQuery.value)=="" || 

        trimString(searchQuery.value)=="*")

    {

        var frmSearchText=document.getElementById(searchQuery.id + "-searchText"); 

        frmSearchText.innerHTML = "Please enter a Search Term";

        searchQuery.value="";

        searchQuery.focus();

        return false;

    }

    // copy rankBy if it exists

    else if (document.forms[2] && document.forms[2].rankBy) {

    	searchQuery.form.rankBy.value = document.forms[2].rankBy.value;

    }

    return true;

}



function doKeyPress(e)

{

    var cAscii;

    var returnValue = true;

    if(!e) e=window.event;

    cAscii=(e.keyCode)?e.keyCode:((e.which)?e.which:0);

    if (cAscii==13) //enter key pressed

    {

        returnValue = checkSearchTerm();

    }

    return returnValue;

}