function trim( instr ) 
{
    	var reFirst = /\S/;
    	var reLast = /\s+$/;
		var inputString = String(instr)
    	var firstChar = inputString.search(reFirst);
    	var lastChar = inputString.search(reLast);    	
    	if( lastChar == -1 ) 
			lastChar = inputString.length;    	
    	outstr = inputString.substring( firstChar, lastChar );
		return outstr;
}