function IsEmail(strEmail)
{
	var iPos,IsEmail = true;
	strEmail.ltrim;
	strEmail.rtrim;

    if(strEmail.length == 0)
       	IsEmail = false;
    else
	{
		if(strEmail.indexOf(" ")>0)
           		IsEmail = false;
       	else
		{
			iPos = strEmail.indexOf("@");
            		if(strEmail.indexOf("@") == -1)
                		IsEmail = false;
            		else
					{
                		iPos = strEmail.indexOf("@");
	                	if(strEmail.lastIndexOf(".") <= (iPos + 1))
                	    		IsEmail = false;
                		else
						{
	         				if(strEmail.length - strEmail.lastIndexOf(".")< 2)
						{
	        	               		IsEmail = false;
						}
					}
            }
        }
    }
	return(IsEmail);
}