function validateField(objForm)
{
	var srch = trimStr(objForm.Search.value);
	if (srch.length < 2)
	{
		alert ('Please enter a keyword with at least 2 characters to search');
		return false;	
	} 
	else
	{
		return true;
	}
}
function trimStr(sStr)
{
		var retStr   = "" ;
		var lLoop = true;
		var first = -1;
		var last  = sStr.length;
		for(var i=0; i < sStr.length && lLoop; i++){
			if(sStr.charAt(i) != " ") lLoop = false;
			else	first = i;
		}
		lLoop = true;
		for(var i=sStr.length-1; i>= 0 && lLoop; i--){
			if(sStr.charAt(i) != " ") lLoop = false;
			else	last = i;
		}
		for(var i=first+1; i<last; i++)
			retStr += sStr.charAt(i);
		return (retStr);
}