function winpopup(strUrl) {
    var strUrl;
    var newWin = window.open(strUrl, 'MyWindow1', 'x=0,y=0,toolbar=no,location=no,directories=no,status=no,scrollbars=Yes,resize=0,copyhistory=no,width=580,height=450,screenX=0,screenY=0,left=210,top=200');
    newWin.focus();
}

function trimall(sString) 
{
	while (sString.substring(0,1) ==" ")
	{
	    sString = sString.substring(1, sString.length);
	}
	while (sString.substring(sString.length-1, sString.length) == ' ')
	{
	    sString = sString.substring(0,sString.length-1);
	}
	return sString;
}

function IsNumber(evt)
{	
	var k=(evt.which)? evt.which : evt.keyCode; 
	return (k ==46 ||(k >=48 && k <=57)) ? true : false;	
}