function trim(str) 
{
var len;
var i;
var trimstr;
var finalstr;
trimstr=""; 
finalstr="";  
len=0;

len=str.length;
for (i=0;i<len;i++)
{
	trimstr=str.substr(i,1);
	if(trimstr==" ")
	{
	}
	else
	{
		if (finalstr=="")
			finalstr=trimstr;
		else
			finalstr=finalstr+trimstr;
	}
}
return (finalstr);
}

function DateAdd(timeU,byMany,dateObj) {
	var millisecond=1;
	var second=millisecond*1000;
	var minute=second*60;
	var hour=minute*60;
	var day=hour*24;
	var year=day*365;

	var newDate;
	var dVal=dateObj.valueOf();
	switch(timeU) {
		case "ms": newDate=new Date(dVal+millisecond*byMany); break;
		case "s": newDate=new Date(dVal+second*byMany); break;
		case "mi": newDate=new Date(dVal+minute*byMany); break;
		case "h": newDate=new Date(dVal+hour*byMany); break;
		case "d": newDate=new Date(dVal+day*byMany); break;
		case "y": newDate=new Date(dVal+year*byMany); break;
	}
	return newDate;
}