function SwitchImg(ImageName, ImageSrc){
    if(document.getElementById){
        var ImageObj=document.getElementById(ImageName);
		
        if(ImageObj){
            ImageObj.src=ImageSrc;
        }
    }
}



function trim(str, chars) {
	return ltrim(rtrim(str, chars), chars);
}


function ltrim(str, chars) {
	chars = chars || "\\s";
	return str.replace(new RegExp("^[" + chars + "]+", "g"), "");
}


function rtrim(str, chars) {
	chars = chars || "\\s";
	return str.replace(new RegExp("[" + chars + "]+$", "g"), "");
}