function getElementById(id){

        if( navigator.DOMHTML ){
            return document.getElementById(id);
        }else{

                if( navigator.family == 'ie4'){
                        return document.all[id];
                }
                if( navigator.family == 'nn4'){
                    return window.frames[id];
                }
        }
}

function setFrameSrc(frameName,src){
         if( isNS47x()){
             getElementById(frameName).location = src;
         }else{
             getElementById(frameName).src = src;
         }
}
function setFrameHeight(frameName,height){

         if( isNS47x() || isIE4()){
             return;
         }else{
             getElementById(frameName).height = height;
         }

}
function setScrolling(iframeId){

    if( isIE4()){
        getElementById(iframeId).scrolling="auto";
   }else{
        getElementById(iframeId).scrolling="no";
    }
}
function trim(str){
	var begin	= /^\s+/;
	var end		= /\s+$/;

	var tmpStr = str.replace(begin,"");
	return tmpStr.replace(end,"")

}
function isNav()
{
	var ua = window.navigator.userAgent.toLowerCase();
    if (ua.indexOf('netscape') != -1)
	{return true;
    }
	else
	{return false;
	}
}
function setMargin(one, two, three)
{
	if (one=="0"&&two=="0"&&three=="0")
	{
		if (isNav())
		{
			return "<body marginheight=0 marginwidth=0 bgcolor=\"white\">";
		}
		else
		{
			return "<body topMargin=0 leftMargin=0 bgcolor=\"white\">";
		}
	}
	else if (one!="0" && two!="0"&&three!="0")
	{
		if (isNav())
		{
			return "<body marginheight=0 marginwidth=0 onLoad=\""+one+"();"+two+"();"+three+"();\" bgcolor=\"white\">";
		}
		else
		{
			return "<body topMargin=0 leftMargin=0 onLoad=\""+one+"();"+two+"();"+three+"();\" bgcolor=\"white\">";
		}
	}
	else if (one!="0" && two!="0"&&three=="0")
	{
		if (isNav())
		{
			return "<body marginheight=0 marginwidth=0 onLoad=\""+one+"();"+two+"();\" bgcolor=\"white\">";
		}
		else
		{
			return "<body topMargin=0 leftMargin=0 onLoad=\""+one+"();"+two+"();\" bgcolor=\"white\">";
		}
	}
	else if (one!="0" && two=="0"&&three=="0")
	{
		if (isNav())
		{
			return "<body marginheight=0 marginwidth=0 onLoad=\""+one+"();\" bgcolor=\"white\">";
		}
		else
		{
			return "<body topMargin=0 leftMargin=0 onLoad=\""+one+"();\" bgcolor=\"white\">";
		}
	}
}
function getSelectedValue(selectObj){
    var index = selectObj.selectedIndex;
    return selectObj.options[index].value;
}
