function chknotnull(x)
{
	myflag=false
	if (x=="")
		return false;
	else
	{
		for (M=0;M<x.length;M++)
		{
			if (x.charAt(M).indexOf(" ")<0)
				myflag=true;
		}
		return myflag;
	}
return true;
}
function RemoveSpace(myVal)
{
	while(myVal.charAt(0)==' ')
		myVal=myVal.substring(1,myVal.length);
	while(myVal.charAt(myVal.length-1)==' ')
		myVal=myVal.substring(0,myVal.length-1);
	return myVal;
}
function myisNumber(s) 
{   
	bag="0123456789.";
	var N; 
	for (N= 0; N < s.length; N++) 
	{    
		var c = s.charAt(N); 
		if (bag.indexOf(c) == -1) 
			return false; 
	} 
	return true; 
}